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phase transitions</title> <meta name="description" content="Search results for: quantum phase transitions"> <meta name="keywords" content="quantum phase transitions"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="quantum phase transitions"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 5163</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: quantum phase transitions</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5163</span> Crystal Structures and High-Temperature Phase Transitions of the New Ordered Double Perovskites SrCaCoTeO6 and SrCaNiTeO6</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Asmaa%20Zaraq">Asmaa Zaraq</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present work we report X-ray powder diffraction measurements of SrCaCoTeO6 and SrCaNiTeO6, at different temperatures. The crystal structures at room temperature of both compounds are determined; and results showing the existence of high-temperature phase transitions in them are presented. Both compounds have double perovskite structure with 1:1 ordered arrangement of the B site cations. At room temperature their symmetries are described with the P21/n space group, that correspond to the (a+b-b-) tilt system. The evolution with temperature of the structure of both compounds shows the presence of three phase transitions: a continuous one, at 450 and 500 K, a discontinuous one, at 700 and 775 K, and a continuous one at 900 and 950 K for SrCaCoTeO6 and SrCaNiTeO6, respectively with the following phase-transition sequence: P21/n → I2/m → I4/m → Fm-3m. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=double%20perovskites" title="double perovskites">double perovskites</a>, <a href="https://publications.waset.org/abstracts/search?q=caracterisation%20DRX" title=" caracterisation DRX"> caracterisation DRX</a>, <a href="https://publications.waset.org/abstracts/search?q=transition%20de%20phase" title=" transition de phase"> transition de phase</a> </p> <a href="https://publications.waset.org/abstracts/27673/crystal-structures-and-high-temperature-phase-transitions-of-the-new-ordered-double-perovskites-srcacoteo6-and-srcaniteo6" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27673.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">522</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5162</span> Phase Transitions of Cerium and Neodymium</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Khundadze">M. Khundadze</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Varazashvili"> V. Varazashvili</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Lejava"> N. Lejava</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Jorbenadze"> R. Jorbenadze</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Phase transitions of cerium and neodymium are investigated by using high-temperature scanning calorimeter (HT-1500 Seteram). For cerium two types of transformation are detected: at 350-372 K - hexagonal close packing (hcp) - face-centered cubic lattice (fcc) transition, and at 880-960K the face-centered cubic lattice (fcc) transformation into body-centered cubic lattice (bcc). For neodymium changing of hexagonal close packing (hcp) into the body-centered cubic lattice (bcc) is detected at 1093-1113K. The thermal characteristics of transitions – enthalpy, entropy, temperature domains – are reported. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cerium" title="cerium">cerium</a>, <a href="https://publications.waset.org/abstracts/search?q=calorimetry" title=" calorimetry"> calorimetry</a>, <a href="https://publications.waset.org/abstracts/search?q=enthalpy%20of%20phase%20transitions" title=" enthalpy of phase transitions"> enthalpy of phase transitions</a>, <a href="https://publications.waset.org/abstracts/search?q=neodymium" title=" neodymium "> neodymium </a> </p> <a href="https://publications.waset.org/abstracts/28941/phase-transitions-of-cerium-and-neodymium" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28941.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">324</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5161</span> Thermal Effects of Phase Transitions of Cerium and Neodymium</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Khundadze">M. Khundadze</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Varazashvili"> V. Varazashvili</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Lejava"> N. Lejava</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Jorbenadze"> R. Jorbenadze</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Phase transitions of cerium and neodymium are investigated by using high temperature scanning calorimeter (HT-1500 Seteram). For cerium two types of transformation are detected: at 350-372 K - hexagonal close packing (hcp) - face-centered cubic lattice (fcc) transition, and in 880-960K the face-centered cubic lattice (fcc) transformation into body-centered cubic lattice (bcc). For neodymium changing of hexagonal close packing (hcp) into body-centered cubic lattice (bcc) is detected at 1093-1113K. The thermal characteristics of transitions – enthalpy, entropy, temperature domains – are reported. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cerium" title="cerium">cerium</a>, <a href="https://publications.waset.org/abstracts/search?q=calorimetry" title=" calorimetry"> calorimetry</a>, <a href="https://publications.waset.org/abstracts/search?q=neodymium" title=" neodymium"> neodymium</a>, <a href="https://publications.waset.org/abstracts/search?q=enthalpy%20of%20phase%20transitions" title=" enthalpy of phase transitions"> enthalpy of phase transitions</a>, <a href="https://publications.waset.org/abstracts/search?q=neodymium" title=" neodymium "> neodymium </a> </p> <a href="https://publications.waset.org/abstracts/27896/thermal-effects-of-phase-transitions-of-cerium-and-neodymium" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27896.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">369</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5160</span> Ground State Phases in Two-Mode Quantum Rabi Models</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Suren%20Chilingaryan">Suren Chilingaryan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We study two models describing a single two-level system coupled to two boson field modes in either a parallel or orthogonal setup. Both models may be feasible for experimental realization through Raman adiabatic driving in cavity QED. We study their ground state configurations; that is, we find the quantum precursors of the corresponding semi-classical phase transitions. We found that the ground state configurations of both models present the same critical coupling as the quantum Rabi model. Around this critical coupling, the ground state goes from the so-called normal configuration with no excitation, the qubit in the ground state and the fields in the quantum vacuum state, to a ground state with excitations, the qubit in a superposition of ground and excited state, while the fields are not in the vacuum anymore, for the first model. The second model shows a more complex ground state configuration landscape where we find the normal configuration mentioned above, two single-mode configurations, where just one of the fields and the qubit are excited, and a dual-mode configuration, where both fields and the qubit are excited. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quantum%20optics" title="quantum optics">quantum optics</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20phase%20transition" title=" quantum phase transition"> quantum phase transition</a>, <a href="https://publications.waset.org/abstracts/search?q=cavity%20QED" title=" cavity QED"> cavity QED</a>, <a href="https://publications.waset.org/abstracts/search?q=circuit%20QED" title=" circuit QED"> circuit QED</a> </p> <a href="https://publications.waset.org/abstracts/53277/ground-state-phases-in-two-mode-quantum-rabi-models" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53277.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">367</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5159</span> Rashba Spin Orbit Interaction Effect on Multiphoton Optical Transitions in a Quantum Dot for Bioimaging</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pradip%20Kumar%20Jha">Pradip Kumar Jha</a>, <a href="https://publications.waset.org/abstracts/search?q=Manoj%20Kumar"> Manoj Kumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We demonstrate in this work the effect of Rashba spin orbit interaction on multiphoton optical transitions of a quantum dot in the presence of THz laser field and external static magnetic field. This combination is solved by accurate non-perturbative Floquet theory. Investigations are made for the optical response of intraband transition between the various states of the conduction band with spin flipping. Enhancement and power broadening observed for excited states probabilities with increase of external fields are directly linked to the emission spectra of QD and will be useful for making future bioimaging devices. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bioimaging" title="bioimaging">bioimaging</a>, <a href="https://publications.waset.org/abstracts/search?q=multiphoton%20processes" title=" multiphoton processes"> multiphoton processes</a>, <a href="https://publications.waset.org/abstracts/search?q=spin%20orbit%20interaction" title=" spin orbit interaction"> spin orbit interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20dot" title=" quantum dot"> quantum dot</a> </p> <a href="https://publications.waset.org/abstracts/43836/rashba-spin-orbit-interaction-effect-on-multiphoton-optical-transitions-in-a-quantum-dot-for-bioimaging" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43836.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">480</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5158</span> Structural Properties of CuCl, CuBr, and CuI Compounds under Hydrostatic Pressure</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Louhibi-Fasla">S. Louhibi-Fasla</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Rekab%20Djabri"> H. Rekab Djabri</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Achour"> H. Achour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this work is to investigate the structural phase-transitions and electronic properties of copper halides. Our calculations were performed within the PLW extension to the first principle FPLMTO method, which enables an accurate treatment of all kinds of structures including the open ones. Results are given for lattice parameters, bulk modulus and its first derivatives in five different surface phases, and are compared with the available theoretical and experimental data. In the zinc-blende (B3) and PbO (B10) phases, the fundamental gap remains direct with both the top of VB and the bottom of CB located at Γ. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=FPLMTO" title="FPLMTO">FPLMTO</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20properties" title=" structural properties"> structural properties</a>, <a href="https://publications.waset.org/abstracts/search?q=Copper%20halides" title=" Copper halides"> Copper halides</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20transitions" title=" phase transitions"> phase transitions</a>, <a href="https://publications.waset.org/abstracts/search?q=ground%20state%20phase" title=" ground state phase"> ground state phase</a> </p> <a href="https://publications.waset.org/abstracts/19271/structural-properties-of-cucl-cubr-and-cui-compounds-under-hydrostatic-pressure" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19271.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">430</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5157</span> Optimizing Quantum Machine Learning with Amplitude and Phase Encoding Techniques</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Om%20Viroje">Om Viroje</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Quantum machine learning represents a frontier in computational technology, promising significant advancements in data processing capabilities. This study explores the significance of data encoding techniques, specifically amplitude and phase encoding, in this emerging field. By employing a comparative analysis methodology, the research evaluates how these encoding techniques affect the accuracy, efficiency, and noise resilience of quantum algorithms. Our findings reveal that amplitude encoding enhances algorithmic accuracy and noise tolerance, whereas phase encoding significantly boosts computational efficiency. These insights are crucial for developing robust quantum frameworks that can be effectively applied in real-world scenarios. In conclusion, optimizing encoding strategies is essential for advancing quantum machine learning, potentially transforming various industries through improved data processing and analysis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quantum%20machine%20learning" title="quantum machine learning">quantum machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20encoding" title=" data encoding"> data encoding</a>, <a href="https://publications.waset.org/abstracts/search?q=amplitude%20encoding" title=" amplitude encoding"> amplitude encoding</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20encoding" title=" phase encoding"> phase encoding</a>, <a href="https://publications.waset.org/abstracts/search?q=noise%20resilience" title=" noise resilience"> noise resilience</a> </p> <a href="https://publications.waset.org/abstracts/193480/optimizing-quantum-machine-learning-with-amplitude-and-phase-encoding-techniques" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/193480.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">13</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5156</span> Superconductor-Insulator Transition in Disordered Spin-1/2 Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=E.%20Cuevas">E. Cuevas</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Feigel%27man"> M. Feigel'man</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Ioffe"> L. Ioffe</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Mezard"> M. Mezard</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The origin of continuous energy spectrum in large disordered interacting quantum systems is one of the key unsolved problems in quantum physics. While small quantum systems with discrete energy levels are noiseless and stay coherent forever in the absence of any coupling to external world, most large-scale quantum systems are able to produce thermal bath, thermal transport and excitation decay. This intrinsic decoherence is manifested by a broadening of energy levels which acquire a finite width. The important question is: What is the driving force and mechanism of transition(s) between two different types of many-body systems - with and without decoherence and thermal transport? Here, we address this question via two complementary approaches applied to the same model of quantum spin-1/2 system with XY-type exchange interaction and random transverse field. Namely, we develop analytical theory for this spin model on a Bethe lattice and implement numerical study of exact level statistics for the same spin model on random graph. This spin model is relevant to the study of pseudogaped superconductivity and S-I transition in some amorphous materials. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=strongly%20correlated%20electrons" title="strongly correlated electrons">strongly correlated electrons</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20phase%20transitions" title=" quantum phase transitions"> quantum phase transitions</a>, <a href="https://publications.waset.org/abstracts/search?q=superconductor" title=" superconductor"> superconductor</a>, <a href="https://publications.waset.org/abstracts/search?q=insulator" title=" insulator"> insulator</a> </p> <a href="https://publications.waset.org/abstracts/11183/superconductor-insulator-transition-in-disordered-spin-12-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11183.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">582</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5155</span> Phase Diagram Including a Negative Pressure Region for a Thermotropic Liquid Crystal in a Metal Berthelot Tube</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20Hiro">K. Hiro</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Wada"> T. Wada</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Thermodynamic properties of liquids under negative pressures are interesting and important in fields of scienceand technology. Here, phase transitions of a thermotropic liquid crystal are investigatedin a range from positive to negative pressures with a metal Berthelot tube using a commercial pressure transducer.Two co-existinglines, namely crystal (Kr) – nematic (N), and isotropic liquid (I) - nematic (N) lines, weredrawn in a pressure - temperature plane. The I-N line was drawn to ca. -5 (MPa). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Berthelot%20method" title="Berthelot method">Berthelot method</a>, <a href="https://publications.waset.org/abstracts/search?q=liquid%20crystal" title=" liquid crystal"> liquid crystal</a>, <a href="https://publications.waset.org/abstracts/search?q=negative%20pressure" title=" negative pressure"> negative pressure</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20transitions" title=" phase transitions"> phase transitions</a> </p> <a href="https://publications.waset.org/abstracts/6503/phase-diagram-including-a-negative-pressure-region-for-a-thermotropic-liquid-crystal-in-a-metal-berthelot-tube" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6503.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">403</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5154</span> Assessment of Exploitation Vulnerability of Quantum Communication Systems with Phase Encryption</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20V.%20Nikulin">Vladimir V. Nikulin</a>, <a href="https://publications.waset.org/abstracts/search?q=Bekmurza%20H.%20Aitchanov"> Bekmurza H. Aitchanov</a>, <a href="https://publications.waset.org/abstracts/search?q=Olimzhon%20A.%20Baimuratov"> Olimzhon A. Baimuratov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Quantum communication technology takes advantage of the intrinsic properties of laser carriers, such as very high data rates and low power requirements, to offer unprecedented data security. Quantum processes at the physical layer of encryption are used for signal encryption with very competitive performance characteristics. The ultimate range of applications for QC systems spans from fiber-based to free-space links and from secure banking operations to mobile airborne and space-borne networking where they are subjected to channel distortions. Under practical conditions, the channel can alter the optical wave front characteristics, including its phase. In addition, phase noise of the communication source and photo-detection noises alter the signal to bring additional ambiguity into the measurement process. If quantized values of photons are used to encrypt the signal, exploitation of quantum communication links becomes extremely difficult. In this paper, we present the results of analysis and simulation studies of the effects of noise on phase estimation for quantum systems with different number of encryption bases and operating at different power levels. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=encryption" title="encryption">encryption</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20distortion" title=" phase distortion"> phase distortion</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20communication" title=" quantum communication"> quantum communication</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20noise" title=" quantum noise"> quantum noise</a> </p> <a href="https://publications.waset.org/abstracts/30149/assessment-of-exploitation-vulnerability-of-quantum-communication-systems-with-phase-encryption" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30149.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">553</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5153</span> Quantum Kernel Based Regressor for Prediction of Non-Markovianity of Open Quantum Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Diego%20Tancara">Diego Tancara</a>, <a href="https://publications.waset.org/abstracts/search?q=Raul%20Coto"> Raul Coto</a>, <a href="https://publications.waset.org/abstracts/search?q=Ariel%20Norambuena"> Ariel Norambuena</a>, <a href="https://publications.waset.org/abstracts/search?q=Hoseein%20T.%20Dinani"> Hoseein T. Dinani</a>, <a href="https://publications.waset.org/abstracts/search?q=Felipe%20Fanchini"> Felipe Fanchini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Quantum machine learning is a growing research field that aims to perform machine learning tasks assisted by a quantum computer. Kernel-based quantum machine learning models are paradigmatic examples where the kernel involves quantum states, and the Gram matrix is calculated from the overlapping between these states. With the kernel at hand, a regular machine learning model is used for the learning process. In this paper we investigate the quantum support vector machine and quantum kernel ridge models to predict the degree of non-Markovianity of a quantum system. We perform digital quantum simulation of amplitude damping and phase damping channels to create our quantum dataset. We elaborate on different kernel functions to map the data and kernel circuits to compute the overlapping between quantum states. We observe a good performance of the models. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quantum" title="quantum">quantum</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=kernel" title=" kernel"> kernel</a>, <a href="https://publications.waset.org/abstracts/search?q=non-markovianity" title=" non-markovianity"> non-markovianity</a> </p> <a href="https://publications.waset.org/abstracts/165769/quantum-kernel-based-regressor-for-prediction-of-non-markovianity-of-open-quantum-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165769.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">180</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5152</span> Yang-Lee Edge Singularity of the Infinite-Range Ising Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seung-Yeon%20Kim">Seung-Yeon Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Ising model, consisting magnetic spins, is the simplest system showing phase transitions and critical phenomena at finite temperatures. The Ising model has played a central role in our understanding of phase transitions and critical phenomena. Also, the Ising model explains the gas-liquid phase transitions accurately. However, the Ising model in a nonzero magnetic field has been one of the most intriguing and outstanding unsolved problems. We study analytically the partition function zeros in the complex magnetic-field plane and the Yang-Lee edge singularity of the infinite-range Ising model in an external magnetic field. In addition, we compare the Yang-Lee edge singularity of the infinite-range Ising model with that of the square-lattice Ising model in an external magnetic field. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ising%20ferromagnet" title="Ising ferromagnet">Ising ferromagnet</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20field" title=" magnetic field"> magnetic field</a>, <a href="https://publications.waset.org/abstracts/search?q=partition%20function%20zeros" title=" partition function zeros"> partition function zeros</a>, <a href="https://publications.waset.org/abstracts/search?q=Yang-Lee%20edge%20singularity" title=" Yang-Lee edge singularity"> Yang-Lee edge singularity</a> </p> <a href="https://publications.waset.org/abstracts/20452/yang-lee-edge-singularity-of-the-infinite-range-ising-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20452.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">739</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5151</span> On the Quantum Behavior of Nanoparticles: Quantum Theory and Nano-Pharmacology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kurudzirayi%20Robson%20Musikavanhu">Kurudzirayi Robson Musikavanhu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nanophase particles exhibit quantum behavior by virtue of their small size, being particles of gamma to x-ray wavelength [atomic range]. Such particles exhibit high frequencies, high energy/photon, high penetration power, high ionization power [atomic behavior] and are stable at low energy levels as opposed to bulk phase matter [macro particles] which exhibit higher wavelength [radio wave end] properties, hence lower frequency, lower energy/photon, lower penetration power, lower ionizing power and are less stable at low temperatures. The ‘unique’ behavioral motion of Nano systems will remain a mystery as long as quantum theory remains a mystery, and for pharmacology, pharmacovigilance profiling of Nano systems becomes virtually impossible. Quantum theory is the 4 – 3 – 5 electromagnetic law of life and life motion systems on planet earth. Electromagnetic [wave-particle] properties of all particulate matter changes as mass [bulkiness] changes from one phase to the next [Nano-phase to micro-phase to milli-phase to meter-phase to kilometer phase etc.] and the subsequent electromagnetic effect of one phase particle on bulk matter [different phase] changes from one phase to another. All matter exhibit electromagnetic properties [wave-particle duality] in behavior and the lower the wavelength [and the lesser the bulkiness] the higher the gamma ray end properties exhibited and the higher the wavelength [and the greater the bulkiness], the more the radio-wave end properties are exhibited. Quantum theory is the 4 [moon] – 3[sun] – [earth] 5 law of the Electromagnetic spectrum [solar system]. 4 + 3 = 7; 4 + 3 + 5 = 12; 4 * 3 * 5 = 60; 42 + 32 = 52; 43 + 33 + 53 = 63. Quantum age is overdue. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20solar%20system" title="electromagnetic solar system">electromagnetic solar system</a>, <a href="https://publications.waset.org/abstracts/search?q=nano-material" title=" nano-material"> nano-material</a>, <a href="https://publications.waset.org/abstracts/search?q=nano%20pharmacology" title=" nano pharmacology"> nano pharmacology</a>, <a href="https://publications.waset.org/abstracts/search?q=pharmacovigilance" title=" pharmacovigilance"> pharmacovigilance</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20theory" title=" quantum theory"> quantum theory</a> </p> <a href="https://publications.waset.org/abstracts/43516/on-the-quantum-behavior-of-nanoparticles-quantum-theory-and-nano-pharmacology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43516.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">450</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5150</span> Superconducting Properties of Fe Doped in Cu-Site of Bi1.6Pb0.4Sr2Ca2Cu3-xFexOy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Suazlina">M. A. Suazlina</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Azhan"> H. Azhan</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20A.%20Syamsyir"> S. A. Syamsyir</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Y.%20S.%20Yusainee"> S. Y. S. Yusainee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fe2O3 was doped to Bi-2223 superconductor prepared in bulk form using high purity oxide powders via solid state reaction technique with intermediate grinding. A stiochiometric of x=0.00, 0.02, 0.04, 0.06, 0.08 and 0.10 Fe are systematically added to the well balanced Bi1.6Pb0.4Sr2Ca2Cu3-xFexOy in order to trace the effect of Fe doping to the system. Microstructure, resistive transitions, phase volume, and cell parameters were hence investigated. Substitution of Fe is found to slowly decrease the Bi-2223 phase volume and the resistive transitions for x=0.00 – 0.10 samples whereas accelerated formation of the Bi-2212 phase is detected for further substitutions. Changes in superconducting properties of Fe-doping Bi-2223 system were discussed and the findings were further compared with available literature. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=BSCCO" title="BSCCO">BSCCO</a>, <a href="https://publications.waset.org/abstracts/search?q=critical%20temperature" title=" critical temperature"> critical temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=critical%20current%20density" title=" critical current density"> critical current density</a>, <a href="https://publications.waset.org/abstracts/search?q=XRD" title=" XRD"> XRD</a>, <a href="https://publications.waset.org/abstracts/search?q=flux%20pinning" title=" flux pinning"> flux pinning</a> </p> <a href="https://publications.waset.org/abstracts/43230/superconducting-properties-of-fe-doped-in-cu-site-of-bi16pb04sr2ca2cu3-xfexoy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43230.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">390</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5149</span> Trions in Semiconductor Quantum Dot System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jayden%20Leonard">Jayden Leonard</a>, <a href="https://publications.waset.org/abstracts/search?q=Nguyen%20Que%20Huong"> Nguyen Que Huong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, we study the Trion state in a spherical quantum dot of a direct band gap semiconductor with a shell of organic material. The electronic structure of the Trion due to degenerate valence band will be considered. The coupling between the wannier exciton inside the dot and the Frenkel exciton in the shell will make the Trion state become hybrid. The competition between “semiconductor” and “organic” phases of the Trion and the transitions between them depend on Parameters of the system such as the materials, the size of the dot and the thickness of the shell, etc… and could be manipulated using those parameters. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=trion" title="trion">trion</a>, <a href="https://publications.waset.org/abstracts/search?q=exciton" title=" exciton"> exciton</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20dot" title=" quantum dot"> quantum dot</a>, <a href="https://publications.waset.org/abstracts/search?q=heterostructure" title=" heterostructure"> heterostructure</a> </p> <a href="https://publications.waset.org/abstracts/143644/trions-in-semiconductor-quantum-dot-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/143644.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">176</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5148</span> The Magnetized Quantum Breathing in Cylindrical Dusty Plasma</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Abdikian">A. Abdikian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A quantum breathing mode has been theatrically studied in quantum dusty plasma. By using linear quantum hydrodynamic model, not only the quantum dispersion relation of rotation mode but also void structure has been derived in the presence of an external magnetic field. Although the phase velocity of the magnetized quantum breathing mode is greater than that of unmagnetized quantum breathing mode, attenuation of the magnetized quantum breathing mode along radial distance seems to be slower than that of unmagnetized quantum breathing mode. Clearly, drawing the quantum breathing mode in the presence and absence of a magnetic field, we found that the magnetic field alters the distribution of dust particles and changes the radial and azimuthal velocities around the axis. Because the magnetic field rotates the dust particles and collects them, it could compensate the void structure. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=the%20linear%20quantum%20hydrodynamic%20model" title="the linear quantum hydrodynamic model">the linear quantum hydrodynamic model</a>, <a href="https://publications.waset.org/abstracts/search?q=the%20magnetized%20quantum%20breathing%20mode" title=" the magnetized quantum breathing mode"> the magnetized quantum breathing mode</a>, <a href="https://publications.waset.org/abstracts/search?q=the%20quantum%20dispersion%20relation%20of%20rotation%20mode" title=" the quantum dispersion relation of rotation mode"> the quantum dispersion relation of rotation mode</a>, <a href="https://publications.waset.org/abstracts/search?q=void%20structure" title=" void structure"> void structure</a> </p> <a href="https://publications.waset.org/abstracts/69938/the-magnetized-quantum-breathing-in-cylindrical-dusty-plasma" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/69938.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">298</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5147</span> Dripping Modes of Newtonian Liquids: The Effect of Nozzle Inclination</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amaraja%20Taur">Amaraja Taur</a>, <a href="https://publications.waset.org/abstracts/search?q=Pankaj%20Doshi"> Pankaj Doshi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hak%20Koon%20Yeoh"> Hak Koon Yeoh </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The dripping modes for a Newtonian liquid of viscosity µ emanating from an inclined nozzle at flow rate Q is investigated experimentally. As the liquid flow rate Q increases, starting with period-1 with satellite drops, the system transitions to period-1 dripping without satellite, then to limit cycle before showing chaotic responses. Phase diagrams shows the changes in the transitions between the different dripping modes for different nozzle inclination angle θ is constructed in the dimensionless (Q, µ) space. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dripping" title="dripping">dripping</a>, <a href="https://publications.waset.org/abstracts/search?q=inclined%20nozzle" title=" inclined nozzle"> inclined nozzle</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20diagram" title=" phase diagram"> phase diagram</a>, <a href="https://publications.waset.org/abstracts/search?q=satellite" title=" satellite"> satellite</a> </p> <a href="https://publications.waset.org/abstracts/2625/dripping-modes-of-newtonian-liquids-the-effect-of-nozzle-inclination" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2625.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">289</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5146</span> Introducing Quantum-Weijsberg Algebras by Redefining Quantum-MV Algebras: Characterization, Properties, and Other Important Results</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lavinia%20Ciungu">Lavinia Ciungu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the last decades, developing algebras related to the logical foundations of quantum mechanics became a central topic of research. Generally known as quantum structures, these algebras serve as models for the formalism of quantum mechanics. In this work, we introduce the notion of quantum-Wajsberg algebras by redefining the quantum-MV algebras starting from involutive BE algebras. We give a characterization of quantum-Wajsberg algebras, investigate their properties, and show that, in general, quantum-Wajsberg algebras are not (commutative) quantum-B algebras. We also define the ∨-commutative quantum-Wajsberg algebras and study their properties. Furthermore, we prove that any Wajsberg algebra (bounded ∨-commutative BCK algebra) is a quantum-Wajsberg algebra, and we give a condition for a quantum-Wajsberg algebra to be a Wajsberg algebra. We prove that Wajsberg algebras are both quantum-Wajsberg algebras and commutative quantum-B algebras. We establish the connection between quantum-Wajsberg algebras and quantum-MV algebras, proving that the quantum-Wajsberg algebras are term equivalent to quantum-MV algebras. We show that, in general, the quantum-Wajsberg algebras are not commutative quantum-B algebras and if a quantum-Wajsberg algebra is self-distributive, then the corresponding quantum-MV algebra is an MV algebra. Our study could be a starting point for the development of other implicative counterparts of certain existing algebraic quantum structures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quantum-Wajsberg%20algebra" title="quantum-Wajsberg algebra">quantum-Wajsberg algebra</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum-MV%20algebra" title=" quantum-MV algebra"> quantum-MV algebra</a>, <a href="https://publications.waset.org/abstracts/search?q=MV%20algebra" title=" MV algebra"> MV algebra</a>, <a href="https://publications.waset.org/abstracts/search?q=Wajsberg%20algebra" title=" Wajsberg algebra"> Wajsberg algebra</a>, <a href="https://publications.waset.org/abstracts/search?q=BE%20algebra" title=" BE algebra"> BE algebra</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum-B%20algebra" title=" quantum-B algebra"> quantum-B algebra</a> </p> <a href="https://publications.waset.org/abstracts/192449/introducing-quantum-weijsberg-algebras-by-redefining-quantum-mv-algebras-characterization-properties-and-other-important-results" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/192449.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">15</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5145</span> Characterization of a LiFeOP₄ Battery Cell with Mechanical Responses</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ki-Yong%20Oh">Ki-Yong Oh</a>, <a href="https://publications.waset.org/abstracts/search?q=Eunji%20Kwak"> Eunji Kwak</a>, <a href="https://publications.waset.org/abstracts/search?q=Due%20Su%20Son"> Due Su Son</a>, <a href="https://publications.waset.org/abstracts/search?q=Siheon%20Jung"> Siheon Jung</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A pouch type of 10 Ah LiFePO₄ battery cell is characterized with two mechanical responses: swelling and bulk force. Both responses vary upon the state of charge significantly, whereas voltage shows flat responses, suggesting that mechanical responses can become a sensitive gauge to characterize microstructure transformation of a battery cell. The derivative of swelling s with respect to capacity Q, (ds/dQ) and the derivative of force F with respect to capacity Q, (dF/dQ) more clearly identify phase transitions of cathode and anode electrodes in the overall charge process than the derivative of voltage V with respect to capacity Q, (dV/dQ). Especially, the force versus swelling curves over the state of charge clearly elucidates three different stiffness over the state of charge oriented from phase transitions: the α-phase, the β-phase, and the metastable solid-solution phase. The observation from mechanical responses suggests that macro-scale mechanical responses of a battery cell are directly correlated to microscopic transformation of a battery cell. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=force%20response" title="force response">force response</a>, <a href="https://publications.waset.org/abstracts/search?q=LiFePO%E2%82%84%20battery" title=" LiFePO₄ battery"> LiFePO₄ battery</a>, <a href="https://publications.waset.org/abstracts/search?q=strain%20response" title=" strain response"> strain response</a>, <a href="https://publications.waset.org/abstracts/search?q=stress%20response" title=" stress response"> stress response</a>, <a href="https://publications.waset.org/abstracts/search?q=swelling%20response" title=" swelling response"> swelling response</a> </p> <a href="https://publications.waset.org/abstracts/97098/characterization-of-a-lifeop4-battery-cell-with-mechanical-responses" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97098.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">170</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5144</span> Berry Phase and Quantum Skyrmions: A Loop Tour in Physics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sinuh%C3%A9%20Perea%20Puente">Sinuhé Perea Puente</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In several physics systems the whole can be obtained as an exact copy of each of its parts, which facilitates the study of a complex system by looking carefully at its elements, separately. Reducionism offers simplified models which makes the problems easier, but “there’s plenty of room...at the mesoscopic scale”. Here we present a tour for two of its representants: Berry phase and skyrmions, studying some of its basic definitions and properties, and two cases in which both arise together, to finish constraining the scale for our mesoscopic system in the quest of quantum skyrmions, discovering which properties are conserved and which others may be destroyed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=condensed%20mattter" title="condensed mattter">condensed mattter</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20physics" title=" quantum physics"> quantum physics</a>, <a href="https://publications.waset.org/abstracts/search?q=skyrmions" title=" skyrmions"> skyrmions</a>, <a href="https://publications.waset.org/abstracts/search?q=topological%20defects" title=" topological defects"> topological defects</a> </p> <a href="https://publications.waset.org/abstracts/148910/berry-phase-and-quantum-skyrmions-a-loop-tour-in-physics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148910.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">145</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5143</span> The Spectral Power Amplification on the Regular Lattices</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kotbi%20Lakhdar">Kotbi Lakhdar</a>, <a href="https://publications.waset.org/abstracts/search?q=Hachi%20Mostefa"> Hachi Mostefa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We show that a simple transformation between the regular lattices (the square, the triangular, and the honeycomb) belonging to the same dimensionality can explain in a natural way the universality of the critical exponents found in phase transitions and critical phenomena. It suffices that the Hamiltonian and the lattice present similar writing forms. In addition, it appears that if a property can be calculated for a given lattice then it can be extrapolated simply to any other lattice belonging to the same dimensionality. In this study, we have restricted ourselves on the spectral power amplification (SPA), we note that the SPA does not have an effect on the critical exponents but does have an effect by the criticality temperature of the lattice; the generalisation to other lattice could be shown according to the containment principle. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ising%20model" title="ising model">ising model</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20transitions" title=" phase transitions"> phase transitions</a>, <a href="https://publications.waset.org/abstracts/search?q=critical%20temperature" title=" critical temperature"> critical temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=critical%20exponent" title=" critical exponent"> critical exponent</a>, <a href="https://publications.waset.org/abstracts/search?q=spectral%20power%20amplification" title=" spectral power amplification"> spectral power amplification</a> </p> <a href="https://publications.waset.org/abstracts/64570/the-spectral-power-amplification-on-the-regular-lattices" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64570.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">310</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5142</span> Enhanced Acquisition Time of a Quantum Holography Scheme within a Nonlinear Interferometer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sergio%20Tovar-P%C3%A9rez">Sergio Tovar-Pérez</a>, <a href="https://publications.waset.org/abstracts/search?q=Sebastian%20T%C3%B6pfer"> Sebastian Töpfer</a>, <a href="https://publications.waset.org/abstracts/search?q=Markus%20Gr%C3%A4fe"> Markus Gräfe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The work proposes a technique that decreases the detection acquisition time of quantum holography schemes down to one-third; this allows the possibility to image moving objects. Since its invention, quantum holography with undetected photon schemes has gained interest in the scientific community. This is mainly due to its ability to tailor the detected wavelengths according to the needs of the scheme implementation. Yet this wavelength flexibility grants the scheme a wide range of possible applications; an important matter was yet to be addressed. Since the scheme uses digital phase-shifting techniques to retrieve the information of the object out of the interference pattern, it is necessary to acquire a set of at least four images of the interference pattern along with well-defined phase steps to recover the full object information. Hence, the imaging method requires larger acquisition times to produce well-resolved images. As a consequence, the measurement of moving objects remains out of the reach of the imaging scheme. This work presents the use and implementation of a spatial light modulator along with a digital holographic technique called quasi-parallel phase-shifting. This technique uses the spatial light modulator to build a structured phase image consisting of a chessboard pattern containing the different phase steps for digitally calculating the object information. Depending on the reduction in the number of needed frames, the acquisition time reduces by a significant factor. This technique opens the door to the implementation of the scheme for moving objects. In particular, the application of this scheme in imaging alive specimens comes one step closer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quasi-parallel%20phase%20shifting" title="quasi-parallel phase shifting">quasi-parallel phase shifting</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20imaging" title=" quantum imaging"> quantum imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20holography" title=" quantum holography"> quantum holography</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20metrology" title=" quantum metrology"> quantum metrology</a> </p> <a href="https://publications.waset.org/abstracts/156520/enhanced-acquisition-time-of-a-quantum-holography-scheme-within-a-nonlinear-interferometer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156520.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">114</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5141</span> External Noise Distillation in Quantum Holography with Undetected Light</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sebastian%20T%C3%B6pfer">Sebastian Töpfer</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Fuenzalida"> Jorge Fuenzalida</a>, <a href="https://publications.waset.org/abstracts/search?q=Marta%20Gilaberte%20Basset"> Marta Gilaberte Basset</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20P.%20Torres"> Juan P. Torres</a>, <a href="https://publications.waset.org/abstracts/search?q=Markus%20Gr%C3%A4fe"> Markus Gräfe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work presents an experimental and theoretical study about the noise resilience of quantum holography with undetected photons. Quantum imaging has become an important research topic in the recent years after its first publication in 2014. Following this research, advances towards different spectral ranges in detection and different optical geometries have been made. Especially an interest in the field of near infrared to mid infrared measurements has developed, because of the unique characteristic, that allows to sample a probe with photons in a different wavelength than the photons arriving at the detector. This promising effect can be used for medical applications, to measure in the so-called molecule fingerprint region, while using broadly available detectors for the visible spectral range. Further advance the development of quantum imaging methods have been made by new measurement and detection schemes. One of which is quantum holography with undetected light. It combines digital phase shifting holography with quantum imaging to extent the obtainable sample information, by measuring not only the object transmission, but also its influence on the phase shift experienced by the transmitted light. This work will present extended research for the quantum holography with undetected light scheme regarding the influence of external noise. It is shown experimentally and theoretically that the samples information can still be at noise levels of 250 times higher than the signal level, because of its information being transmitted by the interferometric pattern. A detailed theoretic explanation is also provided. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=distillation" title="distillation">distillation</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20holography" title=" quantum holography"> quantum holography</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20imaging" title=" quantum imaging"> quantum imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20metrology" title=" quantum metrology"> quantum metrology</a> </p> <a href="https://publications.waset.org/abstracts/172761/external-noise-distillation-in-quantum-holography-with-undetected-light" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172761.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">75</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5140</span> A Review on Application of Phase Change Materials in Textiles Finishing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mazyar%20Ahrari">Mazyar Ahrari</a>, <a href="https://publications.waset.org/abstracts/search?q=Ramin%20Khajavi"> Ramin Khajavi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Kamali%20Dolatabadi"> Mehdi Kamali Dolatabadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Tayebeh%20Toliyat"> Tayebeh Toliyat</a>, <a href="https://publications.waset.org/abstracts/search?q=Abosaeed%20Rashidi"> Abosaeed Rashidi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fabric as the first and most common layer that is in permanent contact with human skin is a very good interface to provide coverage, as well as heat and cold insulation. Phase change materials (PCMs) are organic and inorganic compounds which have the capability of absorbing and releasing noticeable amounts of latent heat during phase transitions between solid and liquid phases at a low temperature range. PCMs come across phase changes (liquid-solid and solid-liquid transitions) during absorbing and releasing thermal heat; so, in order to use them for a long time, they should have been encapsulated in polymeric shells, so-called microcapsules. Microencapsulation and nanoencapsulation methods have been developed in order to reduce the reactivity of a PCM with outside environment, promoting the ease of handling, decreasing the diffusion and evaporation rates. Methods of incorporation of PCMs in textiles such as electrospinning and determining thermal properties had been summarized. Paraffin waxes catch a lot of attention due to their high thermal storage density, repeatability of phase change, thermal stability, small volume change during phase transition, chemical stability, non-toxicity, non-flammability, non-corrosive and low cost and they seem to play a key role in confronting with climate change and global warming. In this article, we aimed to review the researches concentrating on the characteristics of PCMs and new materials and methods of microencapsulation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=thermoregulation" title="thermoregulation">thermoregulation</a>, <a href="https://publications.waset.org/abstracts/search?q=microencapsulation" title=" microencapsulation"> microencapsulation</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20change%20materials" title=" phase change materials"> phase change materials</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20energy%20storage" title=" thermal energy storage"> thermal energy storage</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoencapsulation" title=" nanoencapsulation"> nanoencapsulation</a> </p> <a href="https://publications.waset.org/abstracts/69626/a-review-on-application-of-phase-change-materials-in-textiles-finishing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/69626.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">388</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5139</span> Size, Shape, and Compositional Effects on the Order-Disorder Phase Transitions in Au-Cu and Pt-M (M = Fe, Co, and Ni) Nanocluster Alloys</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Forrest%20Kaatz">Forrest Kaatz</a>, <a href="https://publications.waset.org/abstracts/search?q=Adhemar%20Bultheel"> Adhemar Bultheel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Au-Cu and Pt-M (M = Fe, Co, and Ni) nanocluster alloys are currently being investigated worldwide by many researchers for their interesting catalytic and nanophase properties. The low-temperature behavior of the phase diagrams is not well understood for alloys with nanometer sizes and shapes. These systems have similar bulk phase diagrams with the L12 (Au3Cu, Pt3M, AuCu3, and PtM3) structurally ordered intermetallics and the L10 structure for the AuCu and PtM intermetallics. We consider three models for low temperature ordering in the phase diagrams of Au–Cu and Pt–M nanocluster alloys. These models are valid for sizes ~ 5 nm and approach bulk values for sizes ~ 20 nm. We study the phase transition in nanoclusters with cubic, octahedral, and cuboctahedral shapes, covering the compositions of interest. These models are based on studying the melting temperatures in nanoclusters using the regular solution, mixing model for alloys. Experimentally, it is extremely challenging to determine thermodynamic data on nano–sized alloys. Reasonable agreement is found between these models and recent experimental data on nanometer clusters in the Au–Cu and Pt–M nanophase systems. From our data, experiments on nanocubes about 5 nm in size, of stoichiometric AuCu and PtM composition, could help differentiate between the models. Some available evidence indicates that ordered intermetallic nanoclusters have better catalytic properties than disordered ones. We conclude with a discussion of physical mechanisms whereby ordering could improve the catalytic properties of nanocluster alloys. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=catalytic%20reactions" title="catalytic reactions">catalytic reactions</a>, <a href="https://publications.waset.org/abstracts/search?q=gold%20nanoalloys" title=" gold nanoalloys"> gold nanoalloys</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20transitions" title=" phase transitions"> phase transitions</a>, <a href="https://publications.waset.org/abstracts/search?q=platinum%20nanoalloys" title=" platinum nanoalloys"> platinum nanoalloys</a> </p> <a href="https://publications.waset.org/abstracts/81051/size-shape-and-compositional-effects-on-the-order-disorder-phase-transitions-in-au-cu-and-pt-m-m-fe-co-and-ni-nanocluster-alloys" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81051.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">176</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5138</span> Threshold (K, P) Quantum Distillation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shashank%20Gupta">Shashank Gupta</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Cid"> Carlos Cid</a>, <a href="https://publications.waset.org/abstracts/search?q=William%20John%20Munro"> William John Munro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Quantum distillation is the task of concentrating quantum correlations present in N imperfect copies to M perfect copies (M < N) using free operations by involving all P the parties sharing the quantum correlation. We present a threshold quantum distillation task where the same objective is achieved but using lesser number of parties (K < P). In particular, we give an exact local filtering operations by the participating parties sharing high dimension multipartite entangled state to distill the perfect quantum correlation. Later, we bridge a connection between threshold quantum entanglement distillation and quantum steering distillation and show that threshold distillation might work in the scenario where general distillation protocol like DEJMPS does not work. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quantum%20networks" title="quantum networks">quantum networks</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20distillation" title=" quantum distillation"> quantum distillation</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20key%20distribution" title=" quantum key distribution"> quantum key distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=entanglement%20distillation" title=" entanglement distillation"> entanglement distillation</a> </p> <a href="https://publications.waset.org/abstracts/186155/threshold-k-p-quantum-distillation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186155.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">45</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5137</span> Classification on Statistical Distributions of a Complex N-Body System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=David%20C.%20Ni">David C. Ni</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Contemporary models for N-body systems are based on temporal, two-body, and mass point representation of Newtonian mechanics. Other mainstream models include 2D and 3D Ising models based on local neighborhood the lattice structures. In Quantum mechanics, the theories of collective modes are for superconductivity and for the long-range quantum entanglement. However, these models are still mainly for the specific phenomena with a set of designated parameters. We are therefore motivated to develop a new construction directly from the complex-variable N-body systems based on the extended Blaschke functions (EBF), which represent a non-temporal and nonlinear extension of Lorentz transformation on the complex plane – the normalized momentum spaces. A point on the complex plane represents a normalized state of particle momentums observed from a reference frame in the theory of special relativity. There are only two key parameters, normalized momentum and nonlinearity for modelling. An algorithm similar to Jenkins-Traub method is adopted for solving EBF iteratively. Through iteration, the solution sets show a form of σ + i [-t, t], where σ and t are the real numbers, and the [-t, t] shows various distributions, such as 1-peak, 2-peak, and 3-peak etc. distributions and some of them are analog to the canonical distributions. The results of the numerical analysis demonstrate continuum-to-discreteness transitions, evolutional invariance of distributions, phase transitions with conjugate symmetry, etc., which manifest the construction as a potential candidate for the unification of statistics. We hereby classify the observed distributions on the finite convergent domains. Continuous and discrete distributions both exist and are predictable for given partitions in different regions of parameter-pair. We further compare these distributions with canonical distributions and address the impacts on the existing applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=blaschke" title="blaschke">blaschke</a>, <a href="https://publications.waset.org/abstracts/search?q=lorentz%20transformation" title=" lorentz transformation"> lorentz transformation</a>, <a href="https://publications.waset.org/abstracts/search?q=complex%20variables" title=" complex variables"> complex variables</a>, <a href="https://publications.waset.org/abstracts/search?q=continuous" title=" continuous"> continuous</a>, <a href="https://publications.waset.org/abstracts/search?q=discrete" title=" discrete"> discrete</a>, <a href="https://publications.waset.org/abstracts/search?q=canonical" title=" canonical"> canonical</a>, <a href="https://publications.waset.org/abstracts/search?q=classification" title=" classification"> classification</a> </p> <a href="https://publications.waset.org/abstracts/51005/classification-on-statistical-distributions-of-a-complex-n-body-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51005.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">309</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5136</span> Digital Phase Shifting Holography in a Non-Linear Interferometer using Undetected Photons</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sebastian%20T%C3%B6pfer">Sebastian Töpfer</a>, <a href="https://publications.waset.org/abstracts/search?q=Marta%20Gilaberte%20Basset"> Marta Gilaberte Basset</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Fuenzalida"> Jorge Fuenzalida</a>, <a href="https://publications.waset.org/abstracts/search?q=Fabian%20Steinlechner"> Fabian Steinlechner</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20P.%20Torres"> Juan P. Torres</a>, <a href="https://publications.waset.org/abstracts/search?q=Markus%20Gr%C3%A4fe"> Markus Gräfe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work introduces a combination of digital phase-shifting holography with a non-linear interferometer using undetected photons. Non-linear interferometers can be used in combination with a measurement scheme called quantum imaging with undetected photons, which allows for the separation of the wavelengths used for sampling an object and detecting it in the imaging sensor. This method recently faced increasing attention, as it allows to use of exotic wavelengths (e.g., mid-infrared, ultraviolet) for object interaction while at the same time keeping the detection in spectral areas with highly developed, comparable low-cost imaging sensors. The object information, including its transmission and phase influence, is recorded in the form of an interferometric pattern. To collect these, this work combines the method of quantum imaging with undetected photons with digital phase-shifting holography with a minimal sampling of the interference. With this, the quantum imaging scheme gets extended in its measurement capabilities and brings it one step closer to application. Quantum imaging with undetected photons uses correlated photons generated by spontaneous parametric down-conversion in a non-linear interferometer to create indistinguishable photon pairs, which leads to an effect called induced coherence without induced emission. Placing an object inside changes the interferometric pattern depending on the object’s properties. Digital phase-shifting holography records multiple images of the interference with determined phase shifts to reconstruct the complete interference shape, which can afterward be used to analyze the changes introduced by the object and conclude its properties. An extensive characterization of this method was done using a proof-of-principle setup. The measured spatial resolution, phase accuracy, and transmission accuracy are compared for different combinations of camera exposure times and the number of interference sampling steps. The current limits of this method are shown to allow further improvements. To summarize, this work presents an alternative holographic measurement method using non-linear interferometers in combination with quantum imaging to enable new ways of measuring and motivating continuing research. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=digital%20holography" title="digital holography">digital holography</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20imaging" title=" quantum imaging"> quantum imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20holography" title=" quantum holography"> quantum holography</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20metrology" title=" quantum metrology"> quantum metrology</a> </p> <a href="https://publications.waset.org/abstracts/156426/digital-phase-shifting-holography-in-a-non-linear-interferometer-using-undetected-photons" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156426.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">92</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5135</span> Double Magnetic Phase Transition in the Intermetallic Compound Gd₂AgSi₃</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Redrisse%20Djoumessi%20Fobasso">Redrisse Djoumessi Fobasso</a>, <a href="https://publications.waset.org/abstracts/search?q=Baidyanath%20Sahu"> Baidyanath Sahu</a>, <a href="https://publications.waset.org/abstracts/search?q=Andre%20M.%20Strydom"> Andre M. Strydom</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The R₂TX₃ (R = rare-earth, T = transition, and X = s and p block element) series of compounds are interesting owing to their fascinating structural and magnetic properties. In this present work, we have studied the magnetic and physical properties of the new Gd₂AgSi₃ polycrystalline compound. The sample was synthesized by the arc-melting method and confirmed to crystallize in the tetragonal α-ThSi₂-type crystal structure with space group I4/amd. Dc– and ac–magnetic susceptibility, specific heat, electrical resistivity, and magnetoresistance measurements were performed on the new compound. The structure provides a unique position in the unit cell for the magnetic trivalent Gd ion. Two magnetic phase transitions were consistently found in dc- and ac-magnetic susceptibility, heat capacity, and electrical resistivity at temperatures Tₙ₁ = 11 K and Tₙ₂ = 20 K, which is an indication of the complex magnetic behavior in this compound. The compound is found to be metamagnetic over a range of temperatures below and above Tₙ₁. From field-dependent electrical resistivity, it is confirmed that the compound shows unusual negative magnetoresistance in the antiferromagnetically ordered region. These results contribute to a better understanding of this class of materials. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=complex%20magnetic%20behavior" title="complex magnetic behavior">complex magnetic behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=metamagnetic" title=" metamagnetic"> metamagnetic</a>, <a href="https://publications.waset.org/abstracts/search?q=negative%20magnetoresistance" title=" negative magnetoresistance"> negative magnetoresistance</a>, <a href="https://publications.waset.org/abstracts/search?q=two%20magnetic%20phase%20transitions" title=" two magnetic phase transitions"> two magnetic phase transitions</a> </p> <a href="https://publications.waset.org/abstracts/120185/double-magnetic-phase-transition-in-the-intermetallic-compound-gd2agsi3" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/120185.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">122</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5134</span> Stern-Gerlach Force in Quantum Magnetic Field and Schrodinger's Cat</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mandip%20Singh">Mandip Singh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Quantum entanglement plays a fundamental role in our understanding of counter-intuitive aspects of quantum reality. If classical physics is an approximation of quantum physics, then quantum entanglement should persist at a macroscopic scale. In this paper, a thought experiment is presented where a free falling spin polarized Bose-Einstein condensate interacts with a quantum superimposed magnetic field of nonzero gradient. In contrast to the semiclassical Stern-Gerlach experiment, the magnetic field and the spin degrees of freedom both are considered to be quantum mechanical in a generalized scenario. As a consequence, a Bose-Einstein condensate can be prepared at distinct locations in space in a sense of quantum superposition. In addition, the generation of Schrodinger-cat like quantum states shall be presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Schrodinger-cat%20quantum%20states" title="Schrodinger-cat quantum states">Schrodinger-cat quantum states</a>, <a href="https://publications.waset.org/abstracts/search?q=macroscopic%20entanglement" title=" macroscopic entanglement"> macroscopic entanglement</a>, <a href="https://publications.waset.org/abstracts/search?q=macroscopic%20quantum%20fields" title=" macroscopic quantum fields"> macroscopic quantum fields</a>, <a href="https://publications.waset.org/abstracts/search?q=foundations%20of%20quantum%20physics" title=" foundations of quantum physics"> foundations of quantum physics</a> </p> <a href="https://publications.waset.org/abstracts/74746/stern-gerlach-force-in-quantum-magnetic-field-and-schrodingers-cat" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74746.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">189</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=quantum%20phase%20transitions&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=quantum%20phase%20transitions&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=quantum%20phase%20transitions&page=4">4</a></li> <li class="page-item"><a class="page-link" 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