Physica Scripta - IOPscience

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34.9l128 128z"/></svg>Most read</button> </h2> <div class="reveal-content tabpanel__content" style="display: none"> <p> <button data-reveal-label-alt="Close all abstracts" class="reveal-all-trigger mr-2 small" data-reveal-text="Open all abstracts" data-link-purpose-append="in this tab" data-link-purpose-append-open="in this tab"> Open all abstracts<span class="offscreen-hidden">, in this tab</span> </button> </p>  <div class="art-list"> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/0031-8949/91/5/053009" class="art-list-item-title event_main-link">Life on the edge: a beginner's guide to the Fermi surface</a> <p class="small art-list-item-meta"> S B Dugdale 2016 <em>Phys. Scr.</em> <b>91</b> 053009 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Life on the edge: a beginner’s guide to the Fermi surface" data-link-purpose-append-open="Life on the edge: a beginner’s guide to the Fermi surface">Open abstract</span> </button> <a href="/article/10.1088/0031-8949/91/5/053009/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Life on the edge: a beginner's guide to the Fermi surface</span></a> <a href="/article/10.1088/0031-8949/91/5/053009/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Life on the edge: a beginner's guide to the Fermi surface</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>The concept of the Fermi surface is at the very heart of our understanding of the metallic state. Displaying intricate and often complicated shapes, the Fermi surfaces of real metals are both aesthetically beautiful and subtly powerful. A range of examples is presented of the startling array of physical phenomena whose origin can be traced to the shape of the Fermi surface, together with experimental observations of the particular Fermi surface features.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/0031-8949/91/5/053009">https://doi.org/10.1088/0031-8949/91/5/053009</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/0031-8949/91/5/053001" class="art-list-item-title event_main-link">30 years of squeezed light generation</a> <p class="small art-list-item-meta"> Ulrik L Andersen <em>et al</em> 2016 <em>Phys. Scr.</em> <b>91</b> 053001 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="30 years of squeezed light generation" data-link-purpose-append-open="30 years of squeezed light generation">Open abstract</span> </button> <a href="/article/10.1088/0031-8949/91/5/053001/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, 30 years of squeezed light generation</span></a> <a href="/article/10.1088/0031-8949/91/5/053001/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, 30 years of squeezed light generation</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>Squeezed light generation has come of age. Significant advances on squeezed light generation have been made over the last 30 years—from the initial, conceptual experiment in 1985 till today's top-tuned, application-oriented setups. Here we review the main experimental platforms for generating quadrature squeezed light that have been investigated in the last 30 years.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/0031-8949/91/5/053001">https://doi.org/10.1088/0031-8949/91/5/053001</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ac9e78" class="art-list-item-title event_main-link">Review and viability of a Dyson Swarm as a form of Dyson Sphere</a> <p class="small art-list-item-meta"> Jack Smith 2022 <em>Phys. Scr.</em> <b>97</b> 122001 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Review and viability of a Dyson Swarm as a form of Dyson Sphere" data-link-purpose-append-open="Review and viability of a Dyson Swarm as a form of Dyson Sphere">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ac9e78/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Review and viability of a Dyson Swarm as a form of Dyson Sphere</span></a> <a href="/article/10.1088/1402-4896/ac9e78/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Review and viability of a Dyson Swarm as a form of Dyson Sphere</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>First conceptualised in Olaf Stapledon's 1937 novel 'Star Maker', before being popularised by Freeman Dyson in the 1960s, Dyson Spheres are structures which surround a civilisation's sun to collect all the energy being radiated. This article presents a discussion of the features of such a feat of engineering, reviews the viability, scale and likely design of a Dyson structure, and analyses details about each stage of its construction and operation. It is found that a Dyson Swarm, a large array of individual satellites orbiting another celestial body, is the ideal design for such a structure as opposed to the solid sun-surrounding structure which is typically associated with the Dyson Sphere. In our solar system, such a structure based around Mars would be able to generate the Earth's 2019 global power consumption of 18.35 TW within fifty years once its construction has begun, which itself could start by 2040 using biennial launch windows. Alongside a 4.17 km<sup>2</sup> ground-based heliostat array, the swarm of over 5.5 billion satellites would be constructed on the surface of Mars before being launched by electromagnetic accelerators into a Martian orbit. Efficiency of the Dyson Swarm ranges from 0.74–2.77% of the Sun's 3.85 <b>×</b> 10<sup>26</sup> W output, with large potential for growth as both current technologies improve, and future concepts are brought to reality in the time before and during the swarm's construction. Not only would a Dyson Swarm provide a near-infinite, renewable power source for Earth, it would also allow for significant expansions in human space exploration and for our civilisation as a whole.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ac9e78">https://doi.org/10.1088/1402-4896/ac9e78</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad8b73" class="art-list-item-title event_main-link">A new Marshall-Olkin generalized-k family of distributions with applications</a> <p class="small art-list-item-meta"> Sidra Naz <em>et al</em> 2024 <em>Phys. Scr.</em> <b>99</b> 125221 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="A new Marshall-Olkin generalized-k family of distributions with applications" data-link-purpose-append-open="A new Marshall-Olkin generalized-k family of distributions with applications">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad8b73/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, A new Marshall-Olkin generalized-k family of distributions with applications</span></a> <a href="/article/10.1088/1402-4896/ad8b73/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, A new Marshall-Olkin generalized-k family of distributions with applications</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>In this article, we describe a new Marshall-Olkin family of distributions based on the Marshall-Olkin family of distributions by employing a different generator. We have derived several statistical properties of the new Marshall-Olkin family, including survival function, hazard rate function, quantile function, moments, and linear representation. We have taken the Weibull distribution as a baseline distribution and found that the new Marshall-Olkin Weibull distribution exhibits a variety of shapes for its hazard rates and densities. We have tested the performance of various estimation methods for the new Marshall-Olkin family of distributions, including eight different estimation methods. Additionally, we conducted extensive simulations to assess the robustness of the estimation methods across various scenarios and determine which methods are most effective for varying sample sizes. To further validate the new Marshall-Olkin Weibull distribution, we have used two different data sets to compare the fitted new Marshall-Olkin Weibull distribution with the well-known comparative models. By testing the performance of different estimation methods and using multiple data sets, we can demonstrate the versatility and usefulness of the new Marshall-Olkin family of distributions for modeling a wide range of phenomena.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad8b73">https://doi.org/10.1088/1402-4896/ad8b73</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/0031-8949/90/6/068001" class="art-list-item-title event_main-link">The formation of the solar system</a> <p class="small art-list-item-meta"> S Pfalzner <em>et al</em> 2015 <em>Phys. Scr.</em> <b>90</b> 068001 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="The formation of the solar system" data-link-purpose-append-open="The formation of the solar system">Open abstract</span> </button> <a href="/article/10.1088/0031-8949/90/6/068001/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, The formation of the solar system</span></a> <a href="/article/10.1088/0031-8949/90/6/068001/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, The formation of the solar system</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>The solar system started to form about 4.56 Gyr ago and despite the long intervening time span, there still exist several clues about its formation. The three major sources for this information are meteorites, the present solar system structure and the planet-forming systems around young stars. In this introduction we give an overview of the current understanding of the solar system formation from all these different research fields. This includes the question of the lifetime of the solar protoplanetary disc, the different stages of planet formation, their duration, and their relative importance. We consider whether meteorite evidence and observations of protoplanetary discs point in the same direction. This will tell us whether our solar system had a typical formation history or an exceptional one. There are also many indications that the solar system formed as part of a star cluster. Here we examine the types of cluster the Sun could have formed in, especially whether its stellar density was at any stage high enough to influence the properties of today's solar system. The likelihood of identifying siblings of the Sun is discussed. Finally, the possible dynamical evolution of the solar system since its formation and its future are considered.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/0031-8949/90/6/068001">https://doi.org/10.1088/0031-8949/90/6/068001</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <a href="/article/10.1088/1402-4896/ad23aa" class="art-list-item-title event_main-link">Fusion and (non)-rigidity of Virasoro Kac modules in logarithmic minimal models at (<i>p</i>, <i>q</i>)-central charge</a> <p class="small art-list-item-meta"> Robert McRae and Valerii Sopin 2024 <em>Phys. Scr.</em> <b>99</b> 035233 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Fusion and (non)-rigidity of Virasoro Kac modules in logarithmic minimal models at (p, q)-central charge" data-link-purpose-append-open="Fusion and (non)-rigidity of Virasoro Kac modules in logarithmic minimal models at (p, q)-central charge">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad23aa/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Fusion and (non)-rigidity of Virasoro Kac modules in logarithmic minimal models at (p, q)-central charge</span></a> <a href="/article/10.1088/1402-4896/ad23aa/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Fusion and (non)-rigidity of Virasoro Kac modules in logarithmic minimal models at (p, q)-central charge</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>Let <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn1.gif" style="max-width: 100%;" alt="${{ \mathcal O }}_{c}$" align="top"></img></span><script type="math/tex">{{ \mathcal O }}_{c}</script></span></span> be the category of finite-length modules for the Virasoro Lie algebra at central charge <i>c</i> whose composition factors are irreducible quotients of reducible Verma modules. For any <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn2.gif" style="max-width: 100%;" alt="$c\in {\mathbb{C}}$" align="top"></img></span><script type="math/tex">c\in {\mathbb{C}}</script></span></span>, this category admits the vertex algebraic braided tensor category structure of Huang–Lepowsky–Zhang. Here, we begin the detailed study of <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn3.gif" style="max-width: 100%;" alt="${{ \mathcal O }}_{{c}_{p,q}}$" align="top"></img></span><script type="math/tex">{{ \mathcal O }}_{{c}_{p,q}}</script></span></span> where <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn4.gif" style="max-width: 100%;" alt="${c}_{p,q}=1-\tfrac{6{\left(p-q\right)}^{2}}{{pq}}$" align="top"></img></span><script type="math/tex">{c}_{p,q}=1-\tfrac{6{\left(p-q\right)}^{2}}{{pq}}</script></span></span> for relatively prime integers <i>p</i>, <i>q</i> ≥ 2; in conformal field theory, <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn5.gif" style="max-width: 100%;" alt="${{ \mathcal O }}_{{c}_{p,q}}$" align="top"></img></span><script type="math/tex">{{ \mathcal O }}_{{c}_{p,q}}</script></span></span> corresponds to a logarithmic extension of the central charge <i>c</i><sub><i>p</i>,<i>q</i></sub> Virasoro minimal model. We particularly focus on the Virasoro Kac modules <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn6.gif" style="max-width: 100%;" alt="${{ \mathcal K }}_{r,s}$" align="top"></img></span><script type="math/tex">{{ \mathcal K }}_{r,s}</script></span></span>, <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn7.gif" style="max-width: 100%;" alt="$r,s\in {{\mathbb{Z}}}_{\geqslant 1}$" align="top"></img></span><script type="math/tex">r,s\in {{\mathbb{Z}}}_{\geqslant 1}</script></span></span>, in <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn8.gif" style="max-width: 100%;" alt="${{ \mathcal O }}_{{c}_{p,q}}$" align="top"></img></span><script type="math/tex">{{ \mathcal O }}_{{c}_{p,q}}</script></span></span> defined by Morin-Duchesne–Rasmussen–Ridout, which are finitely-generated submodules of Feigin–Fuchs modules for the Virasoro algebra. We prove that <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn9.gif" style="max-width: 100%;" alt="${{ \mathcal K }}_{r,s}$" align="top"></img></span><script type="math/tex">{{ \mathcal K }}_{r,s}</script></span></span> is rigid and self-dual when 1 ≤ <i>r</i> ≤ <i>p</i> and 1 ≤ <i>s</i> ≤ <i>q</i>, but that not all <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn10.gif" style="max-width: 100%;" alt="${{ \mathcal K }}_{r,s}$" align="top"></img></span><script type="math/tex">{{ \mathcal K }}_{r,s}</script></span></span> are rigid when <i>r</i> > <i>p</i> or <i>s</i> > <i>q</i>. That is, <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn11.gif" style="max-width: 100%;" alt="${{ \mathcal O }}_{{c}_{p,q}}$" align="top"></img></span><script type="math/tex">{{ \mathcal O }}_{{c}_{p,q}}</script></span></span> is not a rigid tensor category. We also show that all Kac modules and all simple modules in <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn12.gif" style="max-width: 100%;" alt="${{ \mathcal O }}_{{c}_{p,q}}$" align="top"></img></span><script type="math/tex">{{ \mathcal O }}_{{c}_{p,q}}</script></span></span> are homomorphic images of repeated tensor products of <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn13.gif" style="max-width: 100%;" alt="${{ \mathcal K }}_{\mathrm{1,2}}$" align="top"></img></span><script type="math/tex">{{ \mathcal K }}_{\mathrm{1,2}}</script></span></span> and <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn14.gif" style="max-width: 100%;" alt="${{ \mathcal K }}_{\mathrm{2,1}}$" align="top"></img></span><script type="math/tex">{{ \mathcal K }}_{\mathrm{2,1}}</script></span></span>, and we determine completely how <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn15.gif" style="max-width: 100%;" alt="${{ \mathcal K }}_{\mathrm{1,2}}$" align="top"></img></span><script type="math/tex">{{ \mathcal K }}_{\mathrm{1,2}}</script></span></span> and <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn16.gif" style="max-width: 100%;" alt="${{ \mathcal K }}_{\mathrm{2,1}}$" align="top"></img></span><script type="math/tex">{{ \mathcal K }}_{\mathrm{2,1}}</script></span></span> tensor with Kac modules and simple modules in <span xmlns:xlink="http://www.w3.org/1999/xlink" class="inline-eqn"><span class="tex"><span class="texImage"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" data-src="https://content.cld.iop.org/journals/1402-4896/99/3/035233/revision2/psad23aaieqn17.gif" style="max-width: 100%;" alt="${{ \mathcal O }}_{{c}_{p,q}}$" align="top"></img></span><script type="math/tex">{{ \mathcal O }}_{{c}_{p,q}}</script></span></span>. In the process, we prove some fusion rule conjectures of Morin-Duchesne–Rasmussen–Ridout.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad23aa">https://doi.org/10.1088/1402-4896/ad23aa</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad8604" class="art-list-item-title event_main-link">An optimal control for non-autonomous second-order stochastic differential equations with delayed arguments</a> <p class="small art-list-item-meta"> Hasanen A Hammad and Doha A Kattan 2024 <em>Phys. Scr.</em> <b>99</b> 125205 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="An optimal control for non-autonomous second-order stochastic differential equations with delayed arguments" data-link-purpose-append-open="An optimal control for non-autonomous second-order stochastic differential equations with delayed arguments">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad8604/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, An optimal control for non-autonomous second-order stochastic differential equations with delayed arguments</span></a> <a href="/article/10.1088/1402-4896/ad8604/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, An optimal control for non-autonomous second-order stochastic differential equations with delayed arguments</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>Optimal control of non-autonomous second-order stochastic differential equations with delayed arguments is indispensable for managing systems exposed to uncertainty, time-dependent dynamics, and historical influences. These equations underpin a wide range of applications, including finance, engineering, and biology, where it's imperative to make informed decisions that mitigate risks or maximize returns while considering the inherent randomness, evolving conditions, and the impact of past states. By employing optimal control techniques, we can devise strategies that are resilient to uncertainty, adaptable to changing circumstances, and capable of accounting for the memory effects of previous events. This empowers us to optimize system performance, bolster stability, and attain desired objectives in intricate and dynamic environments. So, the goal of this article is to introduce a novel model of second-order perturbed stochastic differential equations incorporating non-local finite delay and deviated arguments in the setting of Hilbert spaces. Moreover, essential criteria are presented to examine the existence of a mild solution and evaluate the potential for approximate and optimal control of the proposed system. These results have been obtained by using evolution operators, fixed point techniques, random analytic methods, and compact semigroup theory. Further, to support the theoretical results, the optimal controllability of our model was studied by considering the Lagrange problem. Finally, the results were applied to discuss the approximate controllability of a partial differential equation. These models have the potential to advance the understanding and application of optimal control techniques for a wider range of complex systems.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad8604">https://doi.org/10.1088/1402-4896/ad8604</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad2abe" class="art-list-item-title event_main-link">The sounds of science—a symphony for many instruments and voices: part II</a> <p class="small art-list-item-meta"> Gerard 't Hooft <em>et al</em> 2024 <em>Phys. Scr.</em> <b>99</b> 052501 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="The sounds of science—a symphony for many instruments and voices: part II" data-link-purpose-append-open="The sounds of science—a symphony for many instruments and voices: part II">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad2abe/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, The sounds of science—a symphony for many instruments and voices: part II</span></a> <a href="/article/10.1088/1402-4896/ad2abe/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, The sounds of science—a symphony for many instruments and voices: part II</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>Despite its amazing quantitative successes and contributions to revolutionary technologies, physics currently faces many unsolved mysteries ranging from the meaning of quantum mechanics to the nature of the dark energy that will determine the future of the Universe. It is clearly prohibitive for the general reader, and even the best informed physicists, to follow the vast number of technical papers published in the thousands of specialized journals. For this reason, we have asked the leading experts across many of the most important areas of physics to summarise their global assessment of some of the most important issues. In lieu of an extremely long abstract summarising the contents, we invite the reader to look at the section headings and their authors, and then to indulge in a feast of stimulating topics spanning the current frontiers of fundamental physics from 'The Future of Physics' by William D Phillips and 'What characterises topological effects in physics?' by Gerard 't Hooft through the contributions of the widest imaginable range of world leaders in their respective areas. This paper is presented as a preface to exciting developments by senior and young scientists in the years that lie ahead, and a complement to the less authoritative popular accounts by journalists.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad2abe">https://doi.org/10.1088/1402-4896/ad2abe</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad86fb" class="art-list-item-title event_main-link">Theoretical improvement of the energy conversion efficiency of an AZO/CdTe heterojunction solar cell to over 27% by incorporating FeSi<sub>2</sub> as a second absorber layer</a> <p class="small art-list-item-meta"> José Carlos Zepeda Medina <em>et al</em> 2024 <em>Phys. Scr.</em> <b>99</b> 115987 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Theoretical improvement of the energy conversion efficiency of an AZO/CdTe heterojunction solar cell to over 27% by incorporating FeSi2 as a second absorber layer" data-link-purpose-append-open="Theoretical improvement of the energy conversion efficiency of an AZO/CdTe heterojunction solar cell to over 27% by incorporating FeSi2 as a second absorber layer">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad86fb/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Theoretical improvement of the energy conversion efficiency of an AZO/CdTe heterojunction solar cell to over 27% by incorporating FeSi2 as a second absorber layer</span></a> <a href="/article/10.1088/1402-4896/ad86fb/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Theoretical improvement of the energy conversion efficiency of an AZO/CdTe heterojunction solar cell to over 27% by incorporating FeSi2 as a second absorber layer</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>This paper presents the numerical analysis of cadmium telluride (CdTe) based solar cells using iron di silicide (FeSi<sub>2</sub>) as the second absorber layer and aluminum-doped zinc oxide (AZO) as the window layer. The photovoltaic performance of solar cells with Al/AZO/CdTe/FeSi<sub>2</sub>/Ni structure was analyzed and improved by SCAPS-1D software. When analyzing the influence of thickness and carrier concentration on the photovoltaic performance, it was found that the optimum values for the CdTe layer were 300 nm and 10<sup>15</sup> cm<sup>−3</sup>, for the AZO layer they were 10 nm and 10<sup>18</sup> cm<sup>−3</sup>, while for the FeSi<sub>2</sub> layer they were 1 μm and 10<sup>18</sup> cm<sup>−3</sup>. The defect density (N<sub>t</sub>) at the AZO/CdTe and CdTe/FeSi<sub>2</sub> interfaces was also analyzed, obtaining that the optimum value of N<sub>t</sub> is 10<sup>10</sup> cm<sup>−2</sup> at both interfaces. Device optimization is achieved by obtaining a maximum Power Conversion Efficiency (PCE) of 27.22% with an open circuit voltage (V<sub>oc</sub>) of 0.63 V, a short circuit current density (J<sub>sc</sub>) of 51.43 mA cm<sup>−2</sup> and a fill factor (FF) of 83.06%, which makes FeSi<sub>2</sub> a potential alternative for the development of CdTe-based solar cells due to its absorption of photons with lower energy wavelengths.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad86fb">https://doi.org/10.1088/1402-4896/ad86fb</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad4785" class="art-list-item-title event_main-link">X-ray diffraction for phase identification in Ti-based alloys: benefits and limitations</a> <p class="small art-list-item-meta"> L Bolzoni and F Yang 2024 <em>Phys. Scr.</em> <b>99</b> 065024 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="X-ray diffraction for phase identification in Ti-based alloys: benefits and limitations" data-link-purpose-append-open="X-ray diffraction for phase identification in Ti-based alloys: benefits and limitations">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad4785/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, X-ray diffraction for phase identification in Ti-based alloys: benefits and limitations</span></a> <a href="/article/10.1088/1402-4896/ad4785/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, X-ray diffraction for phase identification in Ti-based alloys: benefits and limitations</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>X-ray diffraction (XRD) is routinely used to characterise Ti alloys, as it provides insight on structure-related aspects. However, there are no dedicated reports on its accuracy are available. To fill this gap, this work aims at examining the benefits and limitations of XRD analysis for phase identification in Ti-based alloys. It is worth mentioning that this study analyses both standard and experimental Ti alloys but the scope is primarily on alloys slow cooled from high temperature, thus characterised by equilibrium microstructures. To be comprehensive, this study considers the all spectrum of Ti alloys, ranging from alpha to beta Ti alloys. It is found that successful identification and quantification of the phases is achieved in the majority of the different type of Ti-based alloys. However, in some instances like for near-alpha alloys, the output of XRD analysis needs to be complemented with other characterisation techniques such as microscopy to be able to fully characterise the material. The correlation between the results of XRD analysis and the molybdenum equivalent parameter (<i>MoE</i>), which is widely used to design Ti alloys, was also investigated using structural-analytical models. The parallel model is found to be the best to estimate the amount of <i>β</i>-Ti phase as a function of the <i>MoE</i> parameter.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad4785">https://doi.org/10.1088/1402-4896/ad4785</a> </div> </div> </div> </div> </div>  </div> </div> </div>   <div tabindex="0" role="tabpanel" id="latest-articles-tab" aria-labelledby="latest-articles"> <div class=" reveal-container reveal-closed reveal-enabled reveal-container--jnl-tab"> <h2 class="tabpanel__title"> <button type="button" class="reveal-trigger event_tabs-accordion" aria-expanded="false"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg>Latest articles</button> </h2> <div class="reveal-content tabpanel__content" style="display: none"> <p> <button data-reveal-label-alt="Close all abstracts" class="reveal-all-trigger mr-2 small" data-reveal-text="Open all abstracts" data-link-purpose-append="in this tab" data-link-purpose-append-open="in this tab"> Open all abstracts<span class="offscreen-hidden">, in this tab</span> </button> </p>  <div class="art-list"> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <a href="/article/10.1088/1402-4896/ad9113" class="art-list-item-title event_main-link">Styrene-Butadiene-Styrene polymer modified bitumen: A review on compatibility and physico-chemical properties</a> <p class="small art-list-item-meta"> Shubham Bansal <em>et al</em> 2024 <em>Phys. Scr.</em> <b>99</b> 122001 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Styrene-Butadiene-Styrene polymer modified bitumen: A review on compatibility and physico-chemical properties" data-link-purpose-append-open="Styrene-Butadiene-Styrene polymer modified bitumen: A review on compatibility and physico-chemical properties">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad9113/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Styrene-Butadiene-Styrene polymer modified bitumen: A review on compatibility and physico-chemical properties</span></a> <a href="/article/10.1088/1402-4896/ad9113/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Styrene-Butadiene-Styrene polymer modified bitumen: A review on compatibility and physico-chemical properties</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>The triblock elastomeric copolymer Styrene-Butadiene-Styrene (SBS) improves the engineering properties of bitumen and the performance parameters of flexible pavements. Although research investigations have been conducted worldwide, the literature lacks a comprehensive review to provide the up-to-date research status in this field. The current review summarizes the research findings on the compatibility, stability, physical properties, microscopic characterization, and chemical characterization of SBS modified bitumen. Quantitative analysis of physical test results concerning major pavement distresses shows improvement, particularly in high-temperature zones. The interlocked state of phase transition can be achieved at SBS content between 5%–6% and the optimum SBS content has been reported to lie within this range. The blending temperature of SBS modified bitumen varies between 140 °C–210 °C out of which 180 °C is the most frequently used by researchers. In addition, physical and chemical characteristics of aged binder have been reviewed. Aging indices (residual penetration ratio, change in softening point, viscosity aging ratio, residual ductility ratio) didn't show any consistent trend, which establishes the need of exploring the co-additives to substantially improve the aging deterioration. Preliminary research on nano-additives showed the improved storage stability at high temperature and the performance of aged modified bitumen. This review has drawn essential conclusions and highlights existing research gaps for peer researchers and field engineers.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad9113">https://doi.org/10.1088/1402-4896/ad9113</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <a href="/article/10.1088/1402-4896/ad91f4" class="art-list-item-title event_main-link">Understanding the stability of finite double walled phenine and its hybrid structures using DFT investigation</a> <p class="small art-list-item-meta"> Amrish Sharma <em>et al</em> 2024 <em>Phys. Scr.</em> <b>99</b> 125989 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Understanding the stability of finite double walled phenine and its hybrid structures using DFT investigation" data-link-purpose-append-open="Understanding the stability of finite double walled phenine and its hybrid structures using DFT investigation">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad91f4/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Understanding the stability of finite double walled phenine and its hybrid structures using DFT investigation</span></a> <a href="/article/10.1088/1402-4896/ad91f4/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Understanding the stability of finite double walled phenine and its hybrid structures using DFT investigation</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>We have performed <i>ab initio</i> calculations based on density functional theory to investigate the structural and electronic properties of finite double wall phenine nanotubes and their hybrid structures with armchair carbon nanotubes. The result shows that double wall phenine nanotubes and the hybrid structures are quite stable. The stability of structure is strongly depends on inter-layer separation between the two tubes. The double walled phenine nanotubes are more stable than their corresponding pristine armchair tubes and exhibit a semi-conducting nature with a HOMO-LUMO gap of 2.78 eV and 2.80 eV. The hybrid structures have a small electronic gap between 0.13eV-0.56 eV similar to double wall armchair nanotubes. The results highlight the possibility of the synthesis of novel semi-conducting double wall phenine structures.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad91f4">https://doi.org/10.1088/1402-4896/ad91f4</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad91f9" class="art-list-item-title event_main-link">An integral for self inductance of thin wires</a> <p class="small art-list-item-meta"> Matt Majic 2024 <em>Phys. Scr.</em> <b>99</b> 125557 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="An integral for self inductance of thin wires" data-link-purpose-append-open="An integral for self inductance of thin wires">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad91f9/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, An integral for self inductance of thin wires</span></a> <a href="/article/10.1088/1402-4896/ad91f9/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, An integral for self inductance of thin wires</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>I propose an elegant method of calculating the self inductance of a thin wire of arbitrary shape. The inductance is broken to into two parts - the inductance of a straight wire of the same length and cross section, and the remainder, the 'curve inductance' due to the shape of the axial curve. The curve inductance is finite and can be calculated from a double integral by subtracting the straight wire singularity inside the integrand. Unlike all other methods, this does not involve a small parameter, and can be applied to any curve knowing its arc length parameterization. We use the circular arc and helix as examples and find that the integral is fast and accurate. The limits of the approximation are investigated for touching parallel wires.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad91f9">https://doi.org/10.1088/1402-4896/ad91f9</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <a href="/article/10.1088/1402-4896/ad921d" class="art-list-item-title event_main-link">Advancing non-linear PDE's solutions: modified Yang transform method with Caputo-Fabrizio fractional operator</a> <p class="small art-list-item-meta"> Abd Ullah <em>et al</em> 2024 <em>Phys. Scr.</em> <b>99</b> 125291 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Advancing non-linear PDE's solutions: modified Yang transform method with Caputo-Fabrizio fractional operator" data-link-purpose-append-open="Advancing non-linear PDE's solutions: modified Yang transform method with Caputo-Fabrizio fractional operator">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad921d/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Advancing non-linear PDE's solutions: modified Yang transform method with Caputo-Fabrizio fractional operator</span></a> <a href="/article/10.1088/1402-4896/ad921d/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Advancing non-linear PDE's solutions: modified Yang transform method with Caputo-Fabrizio fractional operator</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>Nonlinear partial differential equations have a crucial rule in many physical processes. In this paper, a novel approach is used to study nonlinear partial differential equations of fractional order, which is named as Modified Yang Transform (MYT) method. This approach combines Yang transform with the Adomian decomposition method. The fractional order is considered in the Caputo-Fabrizio sense. Convergence analysis of the modified Yang transform to nonlinear fractional order partial differential equations is presented. Additionally, a solution framework for the solution of nonlinear partial differential equation is carried out and some examples are provided to highlight the application of the current method. To illustrate that how the solution behaves for various fractional orders, 2D and 3D graphs are plotted. Various tables are also provided to show the difference between exact and approximate solutions and the values are compared with other methods in the literature. Results and discussion sections are included for each example to explain the graphs, tables and their results.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad921d">https://doi.org/10.1088/1402-4896/ad921d</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <a href="/article/10.1088/1402-4896/ad9220" class="art-list-item-title event_main-link">Simulation of time-invariant three-dimensional Freak waves and their scattering identification based on the JONSWAP spectrum and Donelan direction function</a> <p class="small art-list-item-meta"> Geng-Kun Wu <em>et al</em> 2024 <em>Phys. Scr.</em> <b>99</b> 125290 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Simulation of time-invariant three-dimensional Freak waves and their scattering identification based on the JONSWAP spectrum and Donelan direction function" data-link-purpose-append-open="Simulation of time-invariant three-dimensional Freak waves and their scattering identification based on the JONSWAP spectrum and Donelan direction function">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad9220/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Simulation of time-invariant three-dimensional Freak waves and their scattering identification based on the JONSWAP spectrum and Donelan direction function</span></a> <a href="/article/10.1088/1402-4896/ad9220/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Simulation of time-invariant three-dimensional Freak waves and their scattering identification based on the JONSWAP spectrum and Donelan direction function</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>Investigations into recent maritime accidents have revealed that a significant number are linked to the impact of freak waves, which possess the potential to capsize vessels rapidly due to their immense energy. In order to detect and predict these freak waves with precision, thereby mitigating the risks they pose to maritime infrastructure and human safety, we have delved deeper into the study of such waves. This paper introduces an effective and time-invariant three-dimensional (3D) computational model for freak waves. The model is designed to analyze the scattering properties of these waves and to provide a clearer understanding of the variations in their scattering behavior. First, this paper adopts linear superposition method to simulate a 3D random rough sea surface based on the JONSWAP wave spectrum and Donelan directional distribution function. Moreover, we analyze the effect of different angular frequencies on the simulated sea surface. At the same time, the Monte Carlo method is used to further simulate the capillary waves based on the random sea surface, and this method vastly improves the computational accuracy of the random sea surface. Then, based on the two-wave train superposition wave energy focusing mode, a numerical calculation method of time-invariant 3D freak waves is proposed, and the time-series evolution process of 3D freak waves is simulated. Finally, the backscattering coefficients of the 3D freak wave surface are calculated using the two-scale method, and the electromagnetic scattering characteristics of the freak wave surface under different evolution stages, wind speeds, and radar incidence angles are analyzed. By this method, we conclude that the recognition of freak waves is more accurate under medium-high wind speed and significant incidence angle conditions. Our experimental findings demonstrate that the methodologies presented in this study are capable of enhancing the identification and prediction of freak waves. This advancement is expected to bolster the precision of future freak wave forecasts and holds potential for practical application in the realm of freak wave risk alert systems.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad9220">https://doi.org/10.1088/1402-4896/ad9220</a> </div> </div> </div> </div> </div>  </div> </div> </div>     <div tabindex="0" role="tabpanel" id="review-articles-tab" aria-labelledby="review-articles" hidden="hidden"> <div class=" reveal-container reveal-closed reveal-enabled reveal-container--jnl-tab"> <h2 class="tabpanel__title"> <button type="button" class="reveal-trigger event_tabs-accordion" aria-expanded="false"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg>Review articles</button> </h2> <div class="reveal-content tabpanel__content" style="display: none"> <p> <button data-reveal-label-alt="Close all abstracts" class="reveal-all-trigger mr-2 small" data-reveal-text="Open all abstracts" data-link-purpose-append="in this tab" data-link-purpose-append-open="in this tab"> Open all abstracts<span class="offscreen-hidden">, in this tab</span> </button> </p>  <div class="art-list"> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <a href="/article/10.1088/1402-4896/ad9113" class="art-list-item-title event_main-link">Styrene-Butadiene-Styrene polymer modified bitumen: A review on compatibility and physico-chemical properties</a> <p class="small art-list-item-meta"> Shubham Bansal <em>et al</em> 2024 <em>Phys. Scr.</em> <b>99</b> 122001 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Styrene-Butadiene-Styrene polymer modified bitumen: A review on compatibility and physico-chemical properties" data-link-purpose-append-open="Styrene-Butadiene-Styrene polymer modified bitumen: A review on compatibility and physico-chemical properties">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad9113/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Styrene-Butadiene-Styrene polymer modified bitumen: A review on compatibility and physico-chemical properties</span></a> <a href="/article/10.1088/1402-4896/ad9113/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Styrene-Butadiene-Styrene polymer modified bitumen: A review on compatibility and physico-chemical properties</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>The triblock elastomeric copolymer Styrene-Butadiene-Styrene (SBS) improves the engineering properties of bitumen and the performance parameters of flexible pavements. Although research investigations have been conducted worldwide, the literature lacks a comprehensive review to provide the up-to-date research status in this field. The current review summarizes the research findings on the compatibility, stability, physical properties, microscopic characterization, and chemical characterization of SBS modified bitumen. Quantitative analysis of physical test results concerning major pavement distresses shows improvement, particularly in high-temperature zones. The interlocked state of phase transition can be achieved at SBS content between 5%–6% and the optimum SBS content has been reported to lie within this range. The blending temperature of SBS modified bitumen varies between 140 °C–210 °C out of which 180 °C is the most frequently used by researchers. In addition, physical and chemical characteristics of aged binder have been reviewed. Aging indices (residual penetration ratio, change in softening point, viscosity aging ratio, residual ductility ratio) didn't show any consistent trend, which establishes the need of exploring the co-additives to substantially improve the aging deterioration. Preliminary research on nano-additives showed the improved storage stability at high temperature and the performance of aged modified bitumen. This review has drawn essential conclusions and highlights existing research gaps for peer researchers and field engineers.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad9113">https://doi.org/10.1088/1402-4896/ad9113</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <a href="/article/10.1088/1402-4896/ad8282" class="art-list-item-title event_main-link">Channel modelling in underwater media: a wireless communication technique perspective</a> <p class="small art-list-item-meta"> Sushil Kumar Gupta <em>et al</em> 2024 <em>Phys. Scr.</em> <b>99</b> 112003 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Channel modelling in underwater media: a wireless communication technique perspective" data-link-purpose-append-open="Channel modelling in underwater media: a wireless communication technique perspective">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad8282/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Channel modelling in underwater media: a wireless communication technique perspective</span></a> <a href="/article/10.1088/1402-4896/ad8282/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Channel modelling in underwater media: a wireless communication technique perspective</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>With a broad scope of exploration and utilization of marine resources, the field of underwater wireless communication (UWC) is attracting the growing interest of researchers. Due to the highly complex and changing underwater environment, achieving minimal Doppler Effect, extensive communication range, maintaining link reliability, and high channel efficiency is challenging. Underwater information transfer can utilize various communication techniques, including Acoustic, Optical, Radio Frequency (RF), and Magnetic Induction (MI)-based communication. Accurate channel modelling is essential for optimizing UWC's overall performance. Each underwater communication technique has its strengths and weaknesses. This review article discusses the detailed channel modelling of Acoustic, Optical, MI, and RF communications, comparing them across parameters such as path loss, channel capacity, channel error control protocols, bit error rate (BER), the impact of reconfigurable intelligent surface (RIS), and outage probability are briefly discussed. Additionally, critical unresolved issues related to the channel modelling of UWC techniques are highlighted. This review article will assist researchers in identifying research gaps and conducting further research in the field.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad8282">https://doi.org/10.1088/1402-4896/ad8282</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <a href="/article/10.1088/1402-4896/ad8318" class="art-list-item-title event_main-link">Applications of molecular beam epitaxy in optoelectronic devices: an overview</a> <p class="small art-list-item-meta"> Wagma Hidayat and Muhammad Usman 2024 <em>Phys. Scr.</em> <b>99</b> 112002 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Applications of molecular beam epitaxy in optoelectronic devices: an overview" data-link-purpose-append-open="Applications of molecular beam epitaxy in optoelectronic devices: an overview">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad8318/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Applications of molecular beam epitaxy in optoelectronic devices: an overview</span></a> <a href="/article/10.1088/1402-4896/ad8318/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Applications of molecular beam epitaxy in optoelectronic devices: an overview</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>Molecular Beam Epitaxy (MBE) is a crystal growth technique used to manufacture ultra-thin semiconducting layers with nearly flawless control over layer their compositions, dimensions, and doping concentrations. Initially, this growth technique has been extensively employed to III-V semiconducting alloys. MBE has found widespread application in the growth of semiconducting compounds (i.e., silicon, germanium, II-VI, IV-VI), dielectrics, epitaxial metallic films, as well as superconducting materials. For a comprehensive overview of MBE, in this work, we will first go over some of the fundamentals of MBE, followed by its brief history, and its significance in the production of various electronic and optoelectronic devices, including light-emitting diodes (LEDs), laser diodes (LDs) photodiodes/photodetectors, and solar cells.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad8318">https://doi.org/10.1088/1402-4896/ad8318</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <a href="/article/10.1088/1402-4896/ad7915" class="art-list-item-title event_main-link">Piezoelectric supercapacitors: current trends and future outlook</a> <p class="small art-list-item-meta"> Archana Hota <em>et al</em> 2024 <em>Phys. Scr.</em> <b>99</b> 112001 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Piezoelectric supercapacitors: current trends and future outlook" data-link-purpose-append-open="Piezoelectric supercapacitors: current trends and future outlook">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad7915/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Piezoelectric supercapacitors: current trends and future outlook</span></a> <a href="/article/10.1088/1402-4896/ad7915/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Piezoelectric supercapacitors: current trends and future outlook</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>The present review analyses the research and development of piezoelectric supercapacitor (PSC)-based self-charging storage devices (SCSDs) over the last few years, with a bird's-eye view of the prevailing trends and the outlook for the future. Piezoelectric materials, known for their ability to convert mechanical energy into electrical energy, have emerged as a key player in the development of next-generation supercapacitors with self-charging capability. The present review begins with elucidating the fundamental principles of piezoelectricity and piezoelectric generators vis-à-vis materials and properties as well as their integration into supercapacitor design. Advancements in fabrication techniques and the diversity of materials used have been discussed in detail with a focus on various characterization techniques. The review also addresses existing limitations, such as low energy transfer efficiency and material toxicity, as well as presenting strategies to overcome these hurdles and proposing avenues for future research and development.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad7915">https://doi.org/10.1088/1402-4896/ad7915</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <a href="/article/10.1088/1402-4896/ad7990" class="art-list-item-title event_main-link">Harnessing ZnO morphologies in energy application and sustainable development</a> <p class="small art-list-item-meta"> Peeyush Phogat <em>et al</em> 2024 <em>Phys. Scr.</em> <b>99</b> 102004 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Harnessing ZnO morphologies in energy application and sustainable development" data-link-purpose-append-open="Harnessing ZnO morphologies in energy application and sustainable development">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad7990/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Harnessing ZnO morphologies in energy application and sustainable development</span></a> <a href="/article/10.1088/1402-4896/ad7990/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Harnessing ZnO morphologies in energy application and sustainable development</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>Zinc oxide (ZnO) is a remarkably versatile material, with diverse tailored morphologies for a variety of applications. This chapter delves into the exploration of various ZnO morphologies, including nanoflowers, nanorods, nanospheres, nanocubes, nanotubes, nanowires, quantum dots, hollow spheres, and core–shell structures, along with their respective practical applications. Nanoflowers, distinguished by intricate petal-like structures, excel as catalysts in chemical reactions, advancing catalysis and fine chemical synthesis. ZnO nanorods, characterized by their high aspect ratio, enhance energy conversion in solar cells, increasing light absorption and facilitating electron transport. ZnO nanospheres, spherical nanoparticles with extensive surface area, play a pivotal role in photocatalysis, purifying wastewater and air by decomposing organic pollutants. ZnO quantum dots, with size-dependent quantum confinement effects, underpin progress in optoelectronics, enhancing solar cells, LEDs, and sensors with tunable bandgaps and exceptional optical properties. Hollow ZnO spheres, with their unique void-centered structure, find use in controlled drug delivery, enabling targeted release with minimal side effects. They also serve as versatile templates for synthesizing various nanomaterials. core–shell structures, where ZnO cores are encapsulated by other materials, provide sensitivity and protection in sensors and drug delivery systems, tailored to environmental sensing or precise control over drug release rates and durations. The versatility of ZnO, embodied through its various morphologies, spans diverse applications, from catalysis and photovoltaics to environmental remediation, drug delivery, and personal care products. This chapter provides a comprehensively study of distinct ZnO morphologies and new possibilities of those structures across scientific and industrial realms, leaving an enduring impact on modern technology and improving everyday life.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad7990">https://doi.org/10.1088/1402-4896/ad7990</a> </div> </div> </div> </div> </div>  </div> </div> </div>       <div tabindex="0" role="tabpanel" id="accepted-manuscripts-tab" aria-labelledby="accepted-manuscripts" hidden="hidden"> <div class="reveal-container reveal-closed reveal-enabled reveal-container--jnl-tab"> <h2 class="tabpanel__title"> <button type="button" class="reveal-trigger event_tabs-accordion" aria-expanded="false"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg>Accepted manuscripts</button> </h2> <div class="reveal-content tabpanel__content" style="display: none;">  <p id="jnl-issue-disp-links" class="cf"> <button data-reveal-label-alt="Close all abstracts" class="reveal-all-trigger mr-2 small" data-reveal-text="Open all abstracts" data-link-purpose-append="in this tab" data-link-purpose-append-open="in this tab">Open all abstracts<span class="offscreen-hidden">, in this tab</span></button> </p>  <div class="art-list" id="wd-jnl-issue-art-list"> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <a href="/article/10.1088/1402-4896/ad977c" class="art-list-item-title event_main-link">Entropic partial orderings of quantum measurements</a> <p class="small art-list-item-meta"> Teixidó-Bonfill et al  </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Entropic partial orderings of quantum measurements" data-link-purpose-append-open="Entropic partial orderings of quantum measurements">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad977c/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View accepted manuscript<span class="offscreen-hidden">, Entropic partial orderings of quantum measurements</span></a> <a href="/article/10.1088/1402-4896/ad977c/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Entropic partial orderings of quantum measurements</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <p>We investigate four partial orderings on the space of quantum measurements (i.e. on POVMs or positive operator valued measures), describing four notions of coarse/fine-ness of measurement. These are the partial orderings induced by: (1) classical post-processing, (2) measured relative entropy, (3) observational entropy, and (4) linear relation of POVMs. The orderings form a hierarchy of implication, where e.g. post-processing relation implies all the others. We show that this hierarchy is strict for general POVMs, with examples showing that all four orderings are strictly inequivalent. Restricted to projective measurements, all are equivalent. Finally we show that observational entropy equality $S_M = S_N$ (for all $\rho$) holds if and only if POVMs $M \equiv N$ are post-processing equivalent, which shows that the first three orderings induce identical equivalence classes.</p> </div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad977c">https://doi.org/10.1088/1402-4896/ad977c</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad977d" class="art-list-item-title event_main-link">Method for identifying damage to stay cables based on local beam deflection</a> <p class="small art-list-item-meta"> yang et al  </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Method for identifying damage to stay cables based on local beam deflection" data-link-purpose-append-open="Method for identifying damage to stay cables based on local beam deflection">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad977d/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View accepted manuscript<span class="offscreen-hidden">, Method for identifying damage to stay cables based on local beam deflection</span></a> <a href="/article/10.1088/1402-4896/ad977d/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Method for identifying damage to stay cables based on local beam deflection</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <p>In this study, for the problem of difficulty in identifying the damage of diagonal cable using the overall beam deflection, a method of identifying the cable based on the flexibility matrix of local beam segments is proposed. The range of influence of cable damage on the deflection of beams under self-weight is investigated and analysed using the finite element method , and the results show that the damage of cables mainly affects the deflection in their vicinity, while the change of deflection at other locations is minimal; with the change of the location of damaged cables, the influence of the range also changes accordingly. Building on this, the relationship between the difference in deflection of local beams and the change in cable force before and after the cable damage is deduced by combining with the principle of structural mechanics, and the damage index ∆F is proposed, and the validity of the method is confirmed by experiments. The experimental results indicate that the deflection of the local beam can be utilized to assess the change in cable force, allowing for the identification of the damaged cable's location, specifically where the change in cable force is negative. The method is highly resistant to interference. The method can quickly and accurately locate the damaged cable.&#xD;</p> </div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad977d">https://doi.org/10.1088/1402-4896/ad977d</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <a href="/article/10.1088/1402-4896/ad977e" class="art-list-item-title event_main-link">Reassessment of 3D synchro-resonant detector for high-frequency gravitational waves</a> <p class="small art-list-item-meta"> Woods  </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Reassessment of 3D synchro-resonant detector for high-frequency gravitational waves" data-link-purpose-append-open="Reassessment of 3D synchro-resonant detector for high-frequency gravitational waves">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad977e/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View accepted manuscript<span class="offscreen-hidden">, Reassessment of 3D synchro-resonant detector for high-frequency gravitational waves</span></a> <a href="/article/10.1088/1402-4896/ad977e/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Reassessment of 3D synchro-resonant detector for high-frequency gravitational waves</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <p>Previously reported results regarding photon generation arising from the interaction between an incident high-frequency gravitational wave, a locally-generated Gaussian electromagnetic beam, and a local steady magnetic field, are reassessed using symmetry and a rigorous interpretation of Poynting's theorem. The conclusions are that photon generation in this geometry is impossible, and that wave impedance cannot be used as the basis for distinguishing weak photon generation from other spuriae.&#xD;</p> </div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad977e">https://doi.org/10.1088/1402-4896/ad977e</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad977f" class="art-list-item-title event_main-link">Impact of Enthusiasm Psychology and Assimilation Avoidance on Behavioral Propagation in Double-Layer Heterogeneous Network</a> <p class="small art-list-item-meta"> Jun et al  </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Impact of Enthusiasm Psychology and Assimilation Avoidance on Behavioral Propagation in Double-Layer Heterogeneous Network" data-link-purpose-append-open="Impact of Enthusiasm Psychology and Assimilation Avoidance on Behavioral Propagation in Double-Layer Heterogeneous Network">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad977f/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View accepted manuscript<span class="offscreen-hidden">, Impact of Enthusiasm Psychology and Assimilation Avoidance on Behavioral Propagation in Double-Layer Heterogeneous Network</span></a> <a href="/article/10.1088/1402-4896/ad977f/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Impact of Enthusiasm Psychology and Assimilation Avoidance on Behavioral Propagation in Double-Layer Heterogeneous Network</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <p>To undercover the distinct impact of heterogeneous strategies on information diffusion, this paper develops a double-layer network to stimulate the information propagation process of individual with the enthusiasm psychology and the assimilation avoidance effect. The enthusiasm psychology is captured by an increasing adoption function and the assimilation avoidance effect is modeled by an oscillating adoption function. In the proposed double-layer network, an susceptible state(S-state) node accumulates information from its adopted state(A-state) neighbors and may evolve into the A-state according to the adoption probabilities in each layer. Then, the nodes keep the same state in the two layers anytime. Finally, the A-state may transition to the recovery state(R-state) if it receives the information and adopt it. The R-state node quits the information diffusion and does not transmit nor receive any information. This study analyzes the proportion of nodes in the R-state and their relative variance to characterize the information diffusion mechanism applying both theoretical and numerical methods. Results show that enhancing the individual's enthusiasm psychology and the assimilation avoidance effect can accelerate the information propagation. When the two layers experience outbreaks that do not occur simultaneously, the propagation range exhibits a first-order discontinuous increase. When there are a dominate layer in the process of information spreading, the propagation range shows a second continuous boundary.</p> </div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad977f">https://doi.org/10.1088/1402-4896/ad977f</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad9780" class="art-list-item-title event_main-link">Interpolating supersymmetric pair of Fokker-Planck equations</a> <p class="small art-list-item-meta"> Ho  </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Interpolating supersymmetric pair of Fokker-Planck equations" data-link-purpose-append-open="Interpolating supersymmetric pair of Fokker-Planck equations">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad9780/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View accepted manuscript<span class="offscreen-hidden">, Interpolating supersymmetric pair of Fokker-Planck equations</span></a> <a href="/article/10.1088/1402-4896/ad9780/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Interpolating supersymmetric pair of Fokker-Planck equations</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"> <p>We consider Fokker-Planck equations that interpolate a pair of supersymmetrically related Fokker-Planck equations with constant coeﬃcients. Based on the interesting property of shape-invariance, various one-parameter interpolations of the solutions of the supersymmetric pair of Fokker-Planck systems can be directly constructed.&#xD;</p> </div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad9780">https://doi.org/10.1088/1402-4896/ad9780</a> </div> </div> </div> </div> </div>  <p> <a href="/journal/1402-4896/acceptedmanuscripts/1">More Accepted manuscripts</a> </p>  </div> </div> </div>     <div tabindex="0" role="tabpanel" id="open-access-articles-tab" aria-labelledby="open-access-articles" hidden="hidden"> <div class=" reveal-container reveal-closed reveal-enabled reveal-container--jnl-tab"> <h2 class="tabpanel__title"> <button type="button" class="reveal-trigger event_tabs-accordion" aria-expanded="false"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg>Open access</button> </h2> <div class="reveal-content tabpanel__content" style="display: none"> <p> <button data-reveal-label-alt="Close all abstracts" class="reveal-all-trigger mr-2 small" data-reveal-text="Open all abstracts" data-link-purpose-append="in this tab" data-link-purpose-append-open="in this tab"> Open all abstracts<span class="offscreen-hidden">, in this tab</span> </button> </p>  <div class="art-list"> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad91f9" class="art-list-item-title event_main-link">An integral for self inductance of thin wires</a> <p class="small art-list-item-meta"> Matt Majic 2024 <em>Phys. Scr.</em> <b>99</b> 125557 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="An integral for self inductance of thin wires" data-link-purpose-append-open="An integral for self inductance of thin wires">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad91f9/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, An integral for self inductance of thin wires</span></a> <a href="/article/10.1088/1402-4896/ad91f9/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, An integral for self inductance of thin wires</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>I propose an elegant method of calculating the self inductance of a thin wire of arbitrary shape. The inductance is broken to into two parts - the inductance of a straight wire of the same length and cross section, and the remainder, the 'curve inductance' due to the shape of the axial curve. The curve inductance is finite and can be calculated from a double integral by subtracting the straight wire singularity inside the integrand. Unlike all other methods, this does not involve a small parameter, and can be applied to any curve knowing its arc length parameterization. We use the circular arc and helix as examples and find that the integral is fast and accurate. The limits of the approximation are investigated for touching parallel wires.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad91f9">https://doi.org/10.1088/1402-4896/ad91f9</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad977d" class="art-list-item-title event_main-link">Method for identifying damage to stay cables based on local beam deflection</a> <p class="small art-list-item-meta"> yanxiao yang <em>et al</em> 2024 <em>Phys. Scr.</em> <b></b> </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Method for identifying damage to stay cables based on local beam deflection" data-link-purpose-append-open="Method for identifying damage to stay cables based on local beam deflection">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad977d/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Method for identifying damage to stay cables based on local beam deflection</span></a> <a href="/article/10.1088/1402-4896/ad977d/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Method for identifying damage to stay cables based on local beam deflection</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>In this study, for the problem of difficulty in identifying the damage of diagonal cable using the overall beam deflection, a method of identifying the cable based on the flexibility matrix of local beam segments is proposed. The range of influence of cable damage on the deflection of beams under self-weight is investigated and analysed using the finite element method , and the results show that the damage of cables mainly affects the deflection in their vicinity, while the change of deflection at other locations is minimal; with the change of the location of damaged cables, the influence of the range also changes accordingly. Building on this, the relationship between the difference in deflection of local beams and the change in cable force before and after the cable damage is deduced by combining with the principle of structural mechanics, and the damage index ∆F is proposed, and the validity of the method is confirmed by experiments. The experimental results indicate that the deflection of the local beam can be utilized to assess the change in cable force, allowing for the identification of the damaged cable's location, specifically where the change in cable force is negative. The method is highly resistant to interference. The method can quickly and accurately locate the damaged cable.&#xD;</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad977d">https://doi.org/10.1088/1402-4896/ad977d</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad977f" class="art-list-item-title event_main-link">Impact of Enthusiasm Psychology and Assimilation Avoidance on Behavioral Propagation in Double-Layer Heterogeneous Network</a> <p class="small art-list-item-meta"> Zhang Jun <em>et al</em> 2024 <em>Phys. Scr.</em> <b></b> </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Impact of Enthusiasm Psychology and Assimilation Avoidance on Behavioral Propagation in Double-Layer Heterogeneous Network" data-link-purpose-append-open="Impact of Enthusiasm Psychology and Assimilation Avoidance on Behavioral Propagation in Double-Layer Heterogeneous Network">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad977f/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Impact of Enthusiasm Psychology and Assimilation Avoidance on Behavioral Propagation in Double-Layer Heterogeneous Network</span></a> <a href="/article/10.1088/1402-4896/ad977f/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Impact of Enthusiasm Psychology and Assimilation Avoidance on Behavioral Propagation in Double-Layer Heterogeneous Network</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>To undercover the distinct impact of heterogeneous strategies on information diffusion, this paper develops a double-layer network to stimulate the information propagation process of individual with the enthusiasm psychology and the assimilation avoidance effect. The enthusiasm psychology is captured by an increasing adoption function and the assimilation avoidance effect is modeled by an oscillating adoption function. In the proposed double-layer network, an susceptible state(S-state) node accumulates information from its adopted state(A-state) neighbors and may evolve into the A-state according to the adoption probabilities in each layer. Then, the nodes keep the same state in the two layers anytime. Finally, the A-state may transition to the recovery state(R-state) if it receives the information and adopt it. The R-state node quits the information diffusion and does not transmit nor receive any information. This study analyzes the proportion of nodes in the R-state and their relative variance to characterize the information diffusion mechanism applying both theoretical and numerical methods. Results show that enhancing the individual's enthusiasm psychology and the assimilation avoidance effect can accelerate the information propagation. When the two layers experience outbreaks that do not occur simultaneously, the propagation range exhibits a first-order discontinuous increase. When there are a dominate layer in the process of information spreading, the propagation range shows a second continuous boundary.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad977f">https://doi.org/10.1088/1402-4896/ad977f</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad9780" class="art-list-item-title event_main-link">Interpolating supersymmetric pair of Fokker-Planck equations</a> <p class="small art-list-item-meta"> Choon-Lin Ho 2024 <em>Phys. Scr.</em> <b></b> </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Interpolating supersymmetric pair of Fokker-Planck equations" data-link-purpose-append-open="Interpolating supersymmetric pair of Fokker-Planck equations">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad9780/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Interpolating supersymmetric pair of Fokker-Planck equations</span></a> <a href="/article/10.1088/1402-4896/ad9780/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Interpolating supersymmetric pair of Fokker-Planck equations</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>We consider Fokker-Planck equations that interpolate a pair of supersymmetrically related Fokker-Planck equations with constant coeﬃcients. Based on the interesting property of shape-invariance, various one-parameter interpolations of the solutions of the supersymmetric pair of Fokker-Planck systems can be directly constructed.&#xD;</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad9780">https://doi.org/10.1088/1402-4896/ad9780</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad9783" class="art-list-item-title event_main-link">Tailoring masses to artificial molecules based on the shape of their wavefunctions</a> <p class="small art-list-item-meta"> Tomer Shushi 2024 <em>Phys. Scr.</em> <b></b> </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Tailoring masses to artificial molecules based on the shape of their wavefunctions" data-link-purpose-append-open="Tailoring masses to artificial molecules based on the shape of their wavefunctions">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad9783/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Tailoring masses to artificial molecules based on the shape of their wavefunctions</span></a> <a href="/article/10.1088/1402-4896/ad9783/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Tailoring masses to artificial molecules based on the shape of their wavefunctions</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>In this short paper, we examine artificial molecules composed of coupled artificial atoms such as quantum dots. Similar to artificial atoms, which have position-dependent effective masses for electrons, artificial molecules exhibit this characteristic while comprising more than one artificial atom. While in the literature, such artificial molecules are focused on the kinetic term of the electrons in such a setup, we consider the full description that includes the kinetic and potential terms that involve the nuclei. The proposed artificial molecules consist of nuclei and electrons coupled through Coulomb potentials and kinetic energy influenced by electronic position-dependent effective masses that also depend on the positions of the nuclei and the other electrons in the system. We demonstrate how the Schrödinger equation for such systems can be solved by assuming the entire shape of the molecular wavefunction, guided by a tailored non-parabolic energy-momentum relation for at least one electron within the molecular structure. Additionally, we show that instead of pre-specifying the entire form of the molecular wavefunction, we can consider the coupling between the electrons and nuclei to obtain the wavefunction of the system.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad9783">https://doi.org/10.1088/1402-4896/ad9783</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad9224" class="art-list-item-title event_main-link">Eloquent numerical approach for solving generalized time fractional convection-diffusion-reaction problems</a> <p class="small art-list-item-meta"> Poojitha S and Ashish Awasthi 2024 <em>Phys. Scr.</em> <b>99</b> 125277 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Eloquent numerical approach for solving generalized time fractional convection-diffusion-reaction problems" data-link-purpose-append-open="Eloquent numerical approach for solving generalized time fractional convection-diffusion-reaction problems">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad9224/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Eloquent numerical approach for solving generalized time fractional convection-diffusion-reaction problems</span></a> <a href="/article/10.1088/1402-4896/ad9224/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Eloquent numerical approach for solving generalized time fractional convection-diffusion-reaction problems</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>This paper attempts to develop a spectral method based on derivatives of orthogonal polynomials to solve the time fractional convection–diffusion-reaction equations. The method utilizes derivatives of fractional order orthogonal functions to approximate derivatives involved in the fractional differential equations. Specifically, the derivatives of fractional order Legendre functions and fractional order Chebyshev functions are used to represent both integer and non-integer derivatives of the solutions. These derivative representations are achieved through the use of operational matrices, which are matrices that encode the operations performed on the polynomials. An attempt is made to derive the operational matrix of Vieta-Fibonacci-like polynomials and used to solve the fractional differential equations. The derived operational matrix provides a systematic way to manipulate and work with these polynomials, facilitating their application in various mathematical and engineering problems. By employing these operational matrices, the original fractional convection–diffusion-reaction equation is transformed into a system of linear or nonlinear algebraic equations. However, if the system is nonlinear, a Newton-like solver is applied, which is capable of handling nonlinear systems. The estimation of error bounds of numerical solutions is also given. The numerical experiments have been performed over a few test examples to validate the proposed numerical method. The use of fractional order functions highlights their ability to solve fractional differential equations with non-smooth solutions accurately.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad9224">https://doi.org/10.1088/1402-4896/ad9224</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad9226" class="art-list-item-title event_main-link">The energy dispersion of magnetic Rossby waves in the quasi-geostrophic shallow water magnetohydrodynamic theory</a> <p class="small art-list-item-meta"> Yi Yang <em>et al</em> 2024 <em>Phys. Scr.</em> <b>99</b> 125032 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="The energy dispersion of magnetic Rossby waves in the quasi-geostrophic shallow water magnetohydrodynamic theory" data-link-purpose-append-open="The energy dispersion of magnetic Rossby waves in the quasi-geostrophic shallow water magnetohydrodynamic theory">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad9226/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, The energy dispersion of magnetic Rossby waves in the quasi-geostrophic shallow water magnetohydrodynamic theory</span></a> <a href="/article/10.1088/1402-4896/ad9226/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, The energy dispersion of magnetic Rossby waves in the quasi-geostrophic shallow water magnetohydrodynamic theory</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>This research firstly comprehensively investigates the energy dispersion of magnetic Rossby waves in zonally non-uniform basic states by applying the quasi-geostrophic (QG) shallow water magnetohydrodynamic (SWMHD) equations. The eddy momentum and heat flux transported by magnetic Rossby waves, which can be described by the group velocity vector, have significant impacts on the large-scale dynamics of various celestial bodies. The findings suggest that the energy dispersion paths, also called rays, are curves and restricted in limited regions in the non-uniform basic states, in contrast with straight lines in the uniform basic states. Furthermore, the limited propagative regions are influenced by three important meridional locations, which are defined as the symmetric turning location, the asymmetric turning location, and the critical location. The first two reflect rays and the third one acts as an asymptote. The propagative region that is enclosed by a turning location and a critical location is more general. Besides, the occurrence of the asymmetric turning location, which is mainly depended on the distribution of the zonal basic flow, is a quite new feature of the energy dispersion for magnetic Rossby waves since there is no asymmetric turning location for Rossby waves on the Earth's atmosphere and ocean. The results have important applications in illustrating interactions between magnetic Rossby waves and zonally basic states and in explaining the maintenance of the zonal flow and meridional circulation of various celestial bodies.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad9226">https://doi.org/10.1088/1402-4896/ad9226</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad9229" class="art-list-item-title event_main-link">Rotating nonlinear states in trapped binary Bose–Einstein condensates under the action of the spin–orbit coupling</a> <p class="small art-list-item-meta"> Hidetsugu Sakaguchi and Boris A Malomed 2024 <em>Phys. Scr.</em> <b>99</b> 125276 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Rotating nonlinear states in trapped binary Bose–Einstein condensates under the action of the spin–orbit coupling" data-link-purpose-append-open="Rotating nonlinear states in trapped binary Bose–Einstein condensates under the action of the spin–orbit coupling">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad9229/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Rotating nonlinear states in trapped binary Bose–Einstein condensates under the action of the spin–orbit coupling</span></a> <a href="/article/10.1088/1402-4896/ad9229/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Rotating nonlinear states in trapped binary Bose–Einstein condensates under the action of the spin–orbit coupling</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>We report results of systematic analysis of confined steadily rotating patterns in the two-component BEC including the spin–orbit coupling (SOC) of the Rashba type, which acts in the interplay with the attractive or repulsive intra-component and inter-component nonlinear interactions and confining potential. The analysis is based on the system of the Gross–Pitaevskii equations (GPEs) written in the rotating coordinates. The resulting GPE system includes effective Zeeman splitting. In the case of the attractive nonlinearity, the analysis, performed by means of the imaginary-time simulations, produces deformation of the known two-dimensional SOC solitons (semi-vortices and mixed-modes). Essentially novel findings are reported in the case of the repulsive nonlinearity. They demonstrate patterns arranged as chains of unitary vortices which, at smaller values of the rotation velocity Ω, assume the straight (single-string) form. At larger Ω, the straight chains become unstable, being spontaneously replaced by a trilete star-shaped array of vortices. At still larger values of Ω, the trilete pattern rebuilds itself into a star-shaped one formed of five and, then, seven strings. The transitions between the different patterns are accounted for by comparison of their energy. It is shown that the straight chains of vortices, which form the star-shaped structures, are aligned with boundaries between domains populated by plane waves with different wave vectors. A transition from an axisymmetric higher-order (multiple) vortex state to the trilete pattern is investigated too.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad9229">https://doi.org/10.1088/1402-4896/ad9229</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad96fb" class="art-list-item-title event_main-link">Single-Longitudinal Mode Quadruple Wavelength C+L-Band Erbium-doped Fiber Laser Based on the Pairs of Reflective Fiber Bragg Gratings.</a> <p class="small art-list-item-meta"> Jawad Mirza <em>et al</em> 2024 <em>Phys. Scr.</em> <b></b> </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Single-Longitudinal Mode Quadruple Wavelength C+L-Band Erbium-doped Fiber Laser Based on the Pairs of Reflective Fiber Bragg Gratings." data-link-purpose-append-open="Single-Longitudinal Mode Quadruple Wavelength C+L-Band Erbium-doped Fiber Laser Based on the Pairs of Reflective Fiber Bragg Gratings.">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad96fb/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Single-Longitudinal Mode Quadruple Wavelength C+L-Band Erbium-doped Fiber Laser Based on the Pairs of Reflective Fiber Bragg Gratings.</span></a> <a href="/article/10.1088/1402-4896/ad96fb/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Single-Longitudinal Mode Quadruple Wavelength C+L-Band Erbium-doped Fiber Laser Based on the Pairs of Reflective Fiber Bragg Gratings.</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>Flatness of lasing wavelengths of a multi-wavelength ﬁber laser (MWFL) is an important design constraint that is considered attractive in various applications of photonics and optical communication systems. In this work, we propose a single longitudinal mode (SLM) quadruple wavelength C+L-band Erbium-doped ﬁber laser (EDFL) with high output power ﬂatness. It is implemented with a short piece of Erbium-doped ﬁber (EDF) pumped by conventional 980 nm laser diode and four pairs of reﬂective ﬁber Bragg gratings (FBGs) through numerical simulations. The reﬂectivities of FBGs are adjusted such that SLM quadruple wavelengths are obtained at the output of EDFL with ﬂatness of 0.9 dB, optical signal-to-noise ratio (OSNR) of around 42 dB, and linewidths (LWs) in the range of 5.4-7.3 MHz. Slope efﬁciency (SE) of around 24% is achieved considering the total power of all lasing wavelengths generated. Moreover, the power variation around 0.1 dB for lasing wavelengths of 1540.2 nm and 1605.7 nm is noticed for twelve iterations each repeating after ﬁve-minute interval. The proposed SLM quadruple wavelength EDFL has promising application prospects for distributed sensing and optical communication systems due to excellent performance metrics.&#xD;</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad96fb">https://doi.org/10.1088/1402-4896/ad96fb</a> </div> </div> </div> </div> <div class="art-list-item reveal-container reveal-closed"> <div class="art-list-item-body"> <div class="eyebrow"> <span class="offscreen-hidden">The following article is </span><span class="red">Open access</span> </div> <a href="/article/10.1088/1402-4896/ad9119" class="art-list-item-title event_main-link">Photonic hook shaping achieved by the micro-nano fiber array based Janus cylindrical metalens</a> <p class="small art-list-item-meta"> Quoc-Thinh Dinh <em>et al</em> 2024 <em>Phys. Scr.</em> <b>99</b> 125553 </p> <div class="art-list-item-tools small wd-abstr-upper"> <button type="button" class="reveal-trigger mr-2 nowrap"> <svg aria-hidden="true" class="fa-icon fa-icon--left fa-icon--flip" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><path d="M137.4 374.6c12.5 12.5 32.8 12.5 45.3 0l128-128c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8L32 192c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l128 128z"/></svg><span class="reveal-trigger-label" data-reveal-text="Open abstract" data-reveal-label-alt="Close abstract" data-link-purpose-append="Photonic hook shaping achieved by the micro-nano fiber array based Janus cylindrical metalens" data-link-purpose-append-open="Photonic hook shaping achieved by the micro-nano fiber array based Janus cylindrical metalens">Open abstract</span> </button> <a href="/article/10.1088/1402-4896/ad9119/meta" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="View article"> <span class="icon-article"></span>View article<span class="offscreen-hidden">, Photonic hook shaping achieved by the micro-nano fiber array based Janus cylindrical metalens</span></a> <a href="/article/10.1088/1402-4896/ad9119/pdf" class="mr-2 mb-0 nowrap event_mini-link" data-event-action="PDF"><span class="icon-file-pdf"></span>PDF<span class="offscreen-hidden">, Photonic hook shaping achieved by the micro-nano fiber array based Janus cylindrical metalens</span></a> </div> <div class="reveal-content"> <div class="article-text view-text-small"><p>Near-field focusing of an electromagnetic wave on the assembly of hexagonally asymmetric arranged close-contact nanofibers into a cylindrical Janus metalens is considered for different fiber sizes and optical properties. We propose combining the meta-material concept with a photonic hook based on the finite-difference time-domain technique. Simulation results show that the cylindrical meta-photonic Janus structure produces the focal region of enhanced optical intensity, which exists in the spatial form of a localized structured light known as a photonic hook. A detailed study of all key parameters of a photonic hook depending on the Janus metalens topology and optical properties of the fiber filling is carried out. The structure conditions have been determined for the beam waist of a photonic hook that is less than the diffraction limit. This Janus cylindrical metalens may contribute to the versatile control of photonic hook generation in the applications of bio-photonics and optical microscopes.</p></div> <div class="art-list-item-tools small wd-abstr-lower"> <a class="mr-2" href="https://doi.org/10.1088/1402-4896/ad9119">https://doi.org/10.1088/1402-4896/ad9119</a> </div> </div> </div> </div> </div>  <p> <a href="/nsearch?currentPage=1&terms=&nextPage=2&previousPage=-1&searchDatePeriod=anytime&journals=1402-4896&accessType=open-access&orderBy=newest&pageLength=20">More Open Access articles</a> </p> </div> </div> </div>    </div>    <aside aria-label="Main column advert"> <div id='div-gpt-ad-1562594774007-0' style='width: 728px; height: 90px; display: block;'> <script> googletag.cmd.push(function () { googletag.display('div-gpt-ad-1562594774007-0'); }); </script> </div> </aside>   </div>  </div> </main> <div class="db2 tb2"> <div class="side-and-below">  <div class="sidebar-list" id="wd-jnl-links"> <h2 class="sidebar-list__heading">Journal links</h2> <ul class="sidebar-list__list"><li><a href="/1402-4896/page/submission-options"><b>Submit an article</b></a></li> <li><a href="https://publishingsupport.iopscience.iop.org/journals/physica-scripta/about-physica-scripta/">About the journal</a></li> <li><a href="https://publishingsupport.iopscience.iop.org/journals/physica-scripta/editorial-board/">Editorial Board</a></li> <li><a href="/1402-4896/page/Directory%20of%20PSTOPs">Topical Issues</a></li> <li><a href="https://publishingsupport.iopscience.iop.org/journals/physica-scripta/">Author guidelines</a></li> <li><a href="https://publishingsupport.iopscience.iop.org/questions/volunteering-to-be-a-journal-reviewer">Review for this journal</li> <li><a href="https://publishingsupport.iopscience.iop.org/journals/physica-scripta/about-physica-scripta/#publication-charges">Publication charges</a></li> <li><a href="https://publishingsupport.iopscience.iop.org/questions/physica-scripta-outstanding-reviewer-awards-2023/">Awards</a></li> <li><a href="/1402-4896/page/journal-collections">Journal collections</a></li> <li><a href="/1402-4896/page/contact-us">Contact us</a></li></ul> </div>    <aside role="complementary" aria-label="Right sidebar adverts"> <div id='div-gpt-ad-1669279847892-0' style='min-width: 160px; 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