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<button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1909.08803">arXiv:1909.08803</a> <span> [<a href="https://arxiv.org/pdf/1909.08803">pdf</a>, <a href="https://arxiv.org/format/1909.08803">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Materials Science">cond-mat.mtrl-sci</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic and Molecular Clusters">physics.atm-clus</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Chemical Physics">physics.chem-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1063/1.5127956">10.1063/1.5127956 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A Multiferroic Molecular Magnetic Qubit </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Johnson%2C+A+I">Alexander I Johnson</a>, <a href="/search/physics?searchtype=author&query=Islam%2C+M+F">M. Fhokrul Islam</a>, <a href="/search/physics?searchtype=author&query=Canali%2C+C+M">Carlo M. Canali</a>, <a href="/search/physics?searchtype=author&query=Pederson%2C+M+R">Mark R Pederson</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1909.08803v2-abstract-short" style="display: inline;"> The chiral $Fe_3O(NC_5H_5)_3(O_2CC_6H_5)_6$ molecular cation, with C$_3$ symmetry, is composed of three six-fold coordinated spin-carrying Fe$^{3+}$ cations that form a perfect equilateral triangle. Experimental reports demonstrating the spin-electric effect in this system also identify the presence of a magnetic uni-axis and suggest that this molecule may be a good candidate for an externally con… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1909.08803v2-abstract-full').style.display = 'inline'; document.getElementById('1909.08803v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1909.08803v2-abstract-full" style="display: none;"> The chiral $Fe_3O(NC_5H_5)_3(O_2CC_6H_5)_6$ molecular cation, with C$_3$ symmetry, is composed of three six-fold coordinated spin-carrying Fe$^{3+}$ cations that form a perfect equilateral triangle. Experimental reports demonstrating the spin-electric effect in this system also identify the presence of a magnetic uni-axis and suggest that this molecule may be a good candidate for an externally controllable molecular qubit. Here we demonstrate, using standard density-functional methods, that the spin-electric behavior of this molecule could be even more interesting as there are energetically competitive reference states associated with both high and low local spins (S=5/2 vs. S=1/2) on the Fe$^{3+}$ ions. Each of these structures allow for spin-electric ground states. We find that qualitative differences in the broadening of the Fe(2s) and O(1s) core levels and the single-spin anisotropy Hamiltonian may be used to confirm whether the high-spin manifold is lower in energy than the low-spin manifold. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1909.08803v2-abstract-full').style.display = 'none'; document.getElementById('1909.08803v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 October, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 19 September, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J. Chem. Phys. 151, 174104 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1608.02785">arXiv:1608.02785</a> <span> [<a href="https://arxiv.org/pdf/1608.02785">pdf</a>, <a href="https://arxiv.org/format/1608.02785">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevA.94.022714">10.1103/PhysRevA.94.022714 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Cross Section for Rydberg Antihydrogen Production via Charge Exchange Between Rydberg Positronium and Antiprotons in Magnetic Field </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Krasnicky%2C+D">D. Krasnicky</a>, <a href="/search/physics?searchtype=author&query=Caravita%2C+R">R. Caravita</a>, <a href="/search/physics?searchtype=author&query=Canali%2C+C">C. Canali</a>, <a href="/search/physics?searchtype=author&query=Testera%2C+G">G. Testera</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1608.02785v1-abstract-short" style="display: inline;"> The antihydrogen formation by charge exchange between cold antiprotons and Rydberg positronium Ps is studied by using the Classical Trajectory Monte Carlo (CTMC) method. </span> <span class="abstract-full has-text-grey-dark mathjax" id="1608.02785v1-abstract-full" style="display: none;"> The antihydrogen formation by charge exchange between cold antiprotons and Rydberg positronium Ps is studied by using the Classical Trajectory Monte Carlo (CTMC) method. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1608.02785v1-abstract-full').style.display = 'none'; document.getElementById('1608.02785v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 August, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Accepted by Phys. Rev. A</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1311.4982">arXiv:1311.4982</a> <span> [<a href="https://arxiv.org/pdf/1311.4982">pdf</a>, <a href="https://arxiv.org/format/1311.4982">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Annihilation of low energy antiprotons in silicon </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Aghion%2C+S">S. Aghion</a>, <a href="/search/physics?searchtype=author&query=Ahl%C3%A9n%2C+O">O. Ahl茅n</a>, <a href="/search/physics?searchtype=author&query=Belov%2C+A+S">A. S. Belov</a>, <a href="/search/physics?searchtype=author&query=Bonomi%2C+G">G. Bonomi</a>, <a href="/search/physics?searchtype=author&query=Br%C3%A4unig%2C+P">P. Br盲unig</a>, <a href="/search/physics?searchtype=author&query=Bremer%2C+J">J. Bremer</a>, <a href="/search/physics?searchtype=author&query=Brusa%2C+R+S">R. S. Brusa</a>, <a href="/search/physics?searchtype=author&query=Burghart%2C+G">G. Burghart</a>, <a href="/search/physics?searchtype=author&query=Cabaret%2C+L">L. Cabaret</a>, <a href="/search/physics?searchtype=author&query=Caccia%2C+M">M. Caccia</a>, <a href="/search/physics?searchtype=author&query=Canali%2C+C">C. Canali</a>, <a href="/search/physics?searchtype=author&query=Caravita%2C+R">R. Caravita</a>, <a href="/search/physics?searchtype=author&query=Castelli%2C+F">F. Castelli</a>, <a href="/search/physics?searchtype=author&query=Cerchiari%2C+G">G. Cerchiari</a>, <a href="/search/physics?searchtype=author&query=Cialdi%2C+S">S. Cialdi</a>, <a href="/search/physics?searchtype=author&query=Comparat%2C+D">D. Comparat</a>, <a href="/search/physics?searchtype=author&query=Consolati%2C+G">G. Consolati</a>, <a href="/search/physics?searchtype=author&query=Derking%2C+J+H">J. H. Derking</a>, <a href="/search/physics?searchtype=author&query=Di+Domizio%2C+S">S. Di Domizio</a>, <a href="/search/physics?searchtype=author&query=Di+Noto%2C+L">L. Di Noto</a>, <a href="/search/physics?searchtype=author&query=Doser%2C+M">M. Doser</a>, <a href="/search/physics?searchtype=author&query=Dudarev%2C+A">A. Dudarev</a>, <a href="/search/physics?searchtype=author&query=Ferragut%2C+R">R. Ferragut</a>, <a href="/search/physics?searchtype=author&query=Fontana%2C+A">A. Fontana</a>, <a href="/search/physics?searchtype=author&query=Genova%2C+P">P. Genova</a> , et al. (34 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1311.4982v2-abstract-short" style="display: inline;"> The goal of the AE$\mathrm{\bar{g}}$IS experiment at the Antiproton Decelerator (AD) at CERN, is to measure directly the Earth's gravitational acceleration on antimatter. To achieve this goal, the AE$\mathrm{\bar{g}}$IS collaboration will produce a pulsed, cold (100 mK) antihydrogen beam with a velocity of a few 100 m/s and measure the magnitude of the vertical deflection of the beam from a straig… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1311.4982v2-abstract-full').style.display = 'inline'; document.getElementById('1311.4982v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1311.4982v2-abstract-full" style="display: none;"> The goal of the AE$\mathrm{\bar{g}}$IS experiment at the Antiproton Decelerator (AD) at CERN, is to measure directly the Earth's gravitational acceleration on antimatter. To achieve this goal, the AE$\mathrm{\bar{g}}$IS collaboration will produce a pulsed, cold (100 mK) antihydrogen beam with a velocity of a few 100 m/s and measure the magnitude of the vertical deflection of the beam from a straight path. The final position of the falling antihydrogen will be detected by a position sensitive detector. This detector will consist of an active silicon part, where the annihilations take place, followed by an emulsion part. Together, they allow to achieve 1$%$ precision on the measurement of $\bar{g}$ with about 600 reconstructed and time tagged annihilations. We present here, to the best of our knowledge, the first direct measurement of antiproton annihilation in a segmented silicon sensor, the first step towards designing a position sensitive silicon detector for the AE$\mathrm{\bar{g}}$IS experiment. We also present a first comparison with Monte Carlo simulations (GEANT4) for antiproton energies below 5 MeV <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1311.4982v2-abstract-full').style.display = 'none'; document.getElementById('1311.4982v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 March, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 November, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">21 pages in total, 29 figures, 3 tables</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1306.5602">arXiv:1306.5602</a> <span> [<a href="https://arxiv.org/pdf/1306.5602">pdf</a>, <a href="https://arxiv.org/format/1306.5602">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/8/08/P08013">10.1088/1748-0221/8/08/P08013 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Prospects for measuring the gravitational free-fall of antihydrogen with emulsion detectors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=AEgIS+Collaboration"> AEgIS Collaboration</a>, <a href="/search/physics?searchtype=author&query=Aghion%2C+S">S. Aghion</a>, <a href="/search/physics?searchtype=author&query=Ahl%C3%A9n%2C+O">O. Ahl茅n</a>, <a href="/search/physics?searchtype=author&query=Amsler%2C+C">C. Amsler</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Belov%2C+A+S">A. S. Belov</a>, <a href="/search/physics?searchtype=author&query=Bonomi%2C+G">G. Bonomi</a>, <a href="/search/physics?searchtype=author&query=Br%C3%A4unig%2C+P">P. Br盲unig</a>, <a href="/search/physics?searchtype=author&query=Bremer%2C+J">J. Bremer</a>, <a href="/search/physics?searchtype=author&query=Brusa%2C+R+S">R. S. Brusa</a>, <a href="/search/physics?searchtype=author&query=Cabaret%2C+L">L. Cabaret</a>, <a href="/search/physics?searchtype=author&query=Canali%2C+C">C. Canali</a>, <a href="/search/physics?searchtype=author&query=Caravita%2C+R">R. Caravita</a>, <a href="/search/physics?searchtype=author&query=Castelli%2C+F">F. Castelli</a>, <a href="/search/physics?searchtype=author&query=Cerchiari%2C+G">G. Cerchiari</a>, <a href="/search/physics?searchtype=author&query=Cialdi%2C+S">S. Cialdi</a>, <a href="/search/physics?searchtype=author&query=Comparat%2C+D">D. Comparat</a>, <a href="/search/physics?searchtype=author&query=Consolati%2C+G">G. Consolati</a>, <a href="/search/physics?searchtype=author&query=Derking%2C+J+H">J. H. Derking</a>, <a href="/search/physics?searchtype=author&query=Di+Domizio%2C+S">S. Di Domizio</a>, <a href="/search/physics?searchtype=author&query=Di+Noto%2C+L">L. Di Noto</a>, <a href="/search/physics?searchtype=author&query=Doser%2C+M">M. Doser</a>, <a href="/search/physics?searchtype=author&query=Dudarev%2C+A">A. Dudarev</a>, <a href="/search/physics?searchtype=author&query=Ereditato%2C+A">A. Ereditato</a> , et al. (46 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1306.5602v1-abstract-short" style="display: inline;"> The main goal of the AEgIS experiment at CERN is to test the weak equivalence principle for antimatter. AEgIS will measure the free-fall of an antihydrogen beam traversing a moir茅 deflectometer. The goal is to determine the gravitational acceleration g for antihydrogen with an initial relative accuracy of 1% by using an emulsion detector combined with a silicon micro-strip detector to measure the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1306.5602v1-abstract-full').style.display = 'inline'; document.getElementById('1306.5602v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1306.5602v1-abstract-full" style="display: none;"> The main goal of the AEgIS experiment at CERN is to test the weak equivalence principle for antimatter. AEgIS will measure the free-fall of an antihydrogen beam traversing a moir茅 deflectometer. The goal is to determine the gravitational acceleration g for antihydrogen with an initial relative accuracy of 1% by using an emulsion detector combined with a silicon micro-strip detector to measure the time of flight. Nuclear emulsions can measure the annihilation vertex of antihydrogen atoms with a precision of about 1 - 2 microns r.m.s. We present here results for emulsion detectors operated in vacuum using low energy antiprotons from the CERN antiproton decelerator. We compare with Monte Carlo simulations, and discuss the impact on the AEgIS project. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1306.5602v1-abstract-full').style.display = 'none'; document.getElementById('1306.5602v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 June, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">20 pages, 16 figures, 3 tables</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1211.1370">arXiv:1211.1370</a> <span> [<a href="https://arxiv.org/pdf/1211.1370">pdf</a>, <a href="https://arxiv.org/format/1211.1370">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/8/02/P02015">10.1088/1748-0221/8/02/P02015 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A new application of emulsions to measure the gravitational force on antihydrogen </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Amsler%2C+C">C. Amsler</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+A">A. Ariga</a>, <a href="/search/physics?searchtype=author&query=Ariga%2C+T">T. Ariga</a>, <a href="/search/physics?searchtype=author&query=Braccini%2C+S">S. Braccini</a>, <a href="/search/physics?searchtype=author&query=Canali%2C+C">C. Canali</a>, <a href="/search/physics?searchtype=author&query=Ereditato%2C+A">A. Ereditato</a>, <a href="/search/physics?searchtype=author&query=Kawada%2C+J">J. Kawada</a>, <a href="/search/physics?searchtype=author&query=Kimura%2C+M">M. Kimura</a>, <a href="/search/physics?searchtype=author&query=Kreslo%2C+I">I. Kreslo</a>, <a href="/search/physics?searchtype=author&query=Pistillo%2C+C">C. Pistillo</a>, <a href="/search/physics?searchtype=author&query=Scampoli%2C+P">P. Scampoli</a>, <a href="/search/physics?searchtype=author&query=Storey%2C+J+W">J. W. Storey</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1211.1370v2-abstract-short" style="display: inline;"> We propose to build and operate a detector based on the emulsion film technology for the measurement of the gravitational acceleration on antimatter, to be performed by the AEgIS experiment (AD6) at CERN. The goal of AEgIS is to test the weak equivalence principle with a precision of 1% on the gravitational acceleration g by measuring the vertical position of the anni- hilation vertex of antihydro… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.1370v2-abstract-full').style.display = 'inline'; document.getElementById('1211.1370v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1211.1370v2-abstract-full" style="display: none;"> We propose to build and operate a detector based on the emulsion film technology for the measurement of the gravitational acceleration on antimatter, to be performed by the AEgIS experiment (AD6) at CERN. The goal of AEgIS is to test the weak equivalence principle with a precision of 1% on the gravitational acceleration g by measuring the vertical position of the anni- hilation vertex of antihydrogen atoms after their free fall in a horizontal vacuum pipe. With the emulsion technology developed at the University of Bern we propose to improve the performance of AEgIS by exploiting the superior position resolution of emulsion films over other particle de- tectors. The idea is to use a new type of emulsion films, especially developed for applications in vacuum, to yield a spatial resolution of the order of one micron in the measurement of the sag of the antihydrogen atoms in the gravitational field. This is an order of magnitude better than what was planned in the original AEgIS proposal. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.1370v2-abstract-full').style.display = 'none'; document.getElementById('1211.1370v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 December, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 November, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">17 pages, 14 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0805.4727">arXiv:0805.4727</a> <span> [<a href="https://arxiv.org/pdf/0805.4727">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1063/1.2977857">10.1063/1.2977857 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Formation Of A Cold Antihydrogen Beam in AEGIS For Gravity Measurements </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Testera%2C+G">G. Testera</a>, <a href="/search/physics?searchtype=author&query=Belov%2C+A+S">A. S. Belov</a>, <a href="/search/physics?searchtype=author&query=Bonomi%2C+G">G. Bonomi</a>, <a href="/search/physics?searchtype=author&query=Boscolo%2C+I">I. Boscolo</a>, <a href="/search/physics?searchtype=author&query=Brambilla%2C+N">N. Brambilla</a>, <a href="/search/physics?searchtype=author&query=Brusa%2C+R+S">R. S. Brusa</a>, <a href="/search/physics?searchtype=author&query=Byakov%2C+V+M">V. M. Byakov</a>, <a href="/search/physics?searchtype=author&query=Cabaret%2C+L">L. Cabaret</a>, <a href="/search/physics?searchtype=author&query=Canali%2C+C">C. Canali</a>, <a href="/search/physics?searchtype=author&query=Carraro%2C+C">C. Carraro</a>, <a href="/search/physics?searchtype=author&query=Castelli%2C+F">F. Castelli</a>, <a href="/search/physics?searchtype=author&query=Cialdi%2C+S">S. Cialdi</a>, <a href="/search/physics?searchtype=author&query=de+Combarieu%2C+M">M. de Combarieu</a>, <a href="/search/physics?searchtype=author&query=Comparat%2C+D">D. Comparat</a>, <a href="/search/physics?searchtype=author&query=Consolati%2C+G">G. Consolati</a>, <a href="/search/physics?searchtype=author&query=Djourelov%2C+N">N. Djourelov</a>, <a href="/search/physics?searchtype=author&query=Doser%2C+M">M. Doser</a>, <a href="/search/physics?searchtype=author&query=Drobychev%2C+G">G. Drobychev</a>, <a href="/search/physics?searchtype=author&query=Dupasquier%2C+A">A. Dupasquier</a>, <a href="/search/physics?searchtype=author&query=Fabris%2C+D">D. Fabris</a>, <a href="/search/physics?searchtype=author&query=Ferragut%2C+R">R. Ferragut</a>, <a href="/search/physics?searchtype=author&query=Ferrari%2C+G">G. Ferrari</a>, <a href="/search/physics?searchtype=author&query=Fischer%2C+A">A. Fischer</a>, <a href="/search/physics?searchtype=author&query=Fontana%2C+A">A. Fontana</a>, <a href="/search/physics?searchtype=author&query=Forget%2C+P">P. Forget</a> , et al. (40 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0805.4727v1-abstract-short" style="display: inline;"> The formation of the antihydrogen beam in the AEGIS experiment through the use of inhomogeneous electric fields is discussed and simulation results including the geometry of the apparatus and realistic hypothesis about the antihydrogen initial conditions are shown. The resulting velocity distribution matches the requirements of the gravity experiment. In particular it is shown that the inhomogen… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0805.4727v1-abstract-full').style.display = 'inline'; document.getElementById('0805.4727v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0805.4727v1-abstract-full" style="display: none;"> The formation of the antihydrogen beam in the AEGIS experiment through the use of inhomogeneous electric fields is discussed and simulation results including the geometry of the apparatus and realistic hypothesis about the antihydrogen initial conditions are shown. The resulting velocity distribution matches the requirements of the gravity experiment. In particular it is shown that the inhomogeneous electric fields provide radial cooling of the beam during the acceleration. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0805.4727v1-abstract-full').style.display = 'none'; document.getElementById('0805.4727v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 May, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Invited talk at Pbar08 - Workshop on Cold Antimatter Plasmas and Application to Fundamental Physics, Okinawa, Japan, 2008</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> AIP Conf.Proc.1037:5-15,2008 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0801.1965">arXiv:0801.1965</a> <span> [<a href="https://arxiv.org/pdf/0801.1965">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Popular Physics">physics.pop-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1021/nl072985p">10.1021/nl072985p <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Tunneling Anisotropic Magnetoresistance in Co/AlOx/Au Tunnel Junctions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Liu%2C+R+S">R. S. Liu</a>, <a href="/search/physics?searchtype=author&query=Michalak%2C+L">L. Michalak</a>, <a href="/search/physics?searchtype=author&query=Canali%2C+C+M">C. M. Canali</a>, <a href="/search/physics?searchtype=author&query=Samuelson%2C+L">L. Samuelson</a>, <a href="/search/physics?searchtype=author&query=Pettersson%2C+H">H. Pettersson</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0801.1965v1-abstract-short" style="display: inline;"> We observe spin-valve-like effects in nano-scaled thermally evaporated Co/AlOx/Au tunnel junctions. The tunneling magnetoresistance is anisotropic and depends on the relative orientation of the magnetization direction of the Co electrode with respect to the current direction. We attribute this effect to a two-step magnetization reversal and an anisotropic density of states resulting from spin-or… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0801.1965v1-abstract-full').style.display = 'inline'; document.getElementById('0801.1965v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0801.1965v1-abstract-full" style="display: none;"> We observe spin-valve-like effects in nano-scaled thermally evaporated Co/AlOx/Au tunnel junctions. The tunneling magnetoresistance is anisotropic and depends on the relative orientation of the magnetization direction of the Co electrode with respect to the current direction. We attribute this effect to a two-step magnetization reversal and an anisotropic density of states resulting from spin-orbit interaction. The results of this study points to future applications of novel spintronics devices involving only one ferromagnetic layer. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0801.1965v1-abstract-full').style.display = 'none'; document.getElementById('0801.1965v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 January, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">11 pages, 5 figures. Accpted for publishing on Nano Letters, 2008</span> </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul class="nav-spaced"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact arXiv</title><desc>Click here to contact arXiv</desc><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg> <a href="https://info.arxiv.org/help/contact.html"> Contact</a> </li> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>subscribe to arXiv mailings</title><desc>Click here to subscribe</desc><path d="M476 3.2L12.5 270.6c-18.1 10.4-15.8 35.6 2.2 43.2L121 358.4l287.3-253.2c5.5-4.9 13.3 2.6 8.6 8.3L176 407v80.5c0 23.6 28.5 32.9 42.5 15.8L282 426l124.6 52.2c14.2 6 30.4-2.9 33-18.2l72-432C515 7.8 493.3-6.8 476 3.2z"/></svg> <a href="https://info.arxiv.org/help/subscribe"> Subscribe</a> </li> </ul> </div> </div> </div>   <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/license/index.html">Copyright</a></li> <li><a href="https://info.arxiv.org/help/policies/privacy_policy.html">Privacy Policy</a></li> </ul> </div> <div class="column sorry-app-links"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/web_accessibility.html">Web Accessibility Assistance</a></li> <li> <p class="help"> <a class="a11y-main-link" href="https://status.arxiv.org" target="_blank">arXiv Operational Status <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512" class="icon filter-dark_grey" role="presentation"><path d="M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z"/></svg></a><br> Get status notifications via <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/email/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg>email</a> or <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/slack/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" class="icon filter-black" role="presentation"><path d="M94.12 315.1c0 25.9-21.16 47.06-47.06 47.06S0 341 0 315.1c0-25.9 21.16-47.06 47.06-47.06h47.06v47.06zm23.72 0c0-25.9 21.16-47.06 47.06-47.06s47.06 21.16 47.06 47.06v117.84c0 25.9-21.16 47.06-47.06 47.06s-47.06-21.16-47.06-47.06V315.1zm47.06-188.98c-25.9 0-47.06-21.16-47.06-47.06S139 32 164.9 32s47.06 21.16 47.06 47.06v47.06H164.9zm0 23.72c25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06H47.06C21.16 243.96 0 222.8 0 196.9s21.16-47.06 47.06-47.06H164.9zm188.98 47.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06h-47.06V196.9zm-23.72 0c0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06V79.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06V196.9zM283.1 385.88c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06v-47.06h47.06zm0-23.72c-25.9 0-47.06-21.16-47.06-47.06 0-25.9 21.16-47.06 47.06-47.06h117.84c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06H283.1z"/></svg>slack</a> </p> </li> </ul> </div> </div> </div>  </div> </footer> <script src="https://static.arxiv.org/static/base/1.0.0a5/js/member_acknowledgement.js"></script> </body> </html>

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