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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/2310.08183">arXiv:2310.08183</a> <span> [<a href="https://arxiv.org/pdf/2310.08183">pdf</a>, <a href="https://arxiv.org/format/2310.08183">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</span> </div> </div> <p class="title is-5 mathjax"> Terrestrial Very-Long-Baseline Atom Interferometry: Workshop Summary </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Abend%2C+S">Sven Abend</a>, <a href="/search/gr-qc?searchtype=author&query=Allard%2C+B">Baptiste Allard</a>, <a href="/search/gr-qc?searchtype=author&query=Alonso%2C+I">Iv谩n Alonso</a>, <a href="/search/gr-qc?searchtype=author&query=Antoniadis%2C+J">John Antoniadis</a>, <a href="/search/gr-qc?searchtype=author&query=Araujo%2C+H">Henrique Araujo</a>, <a href="/search/gr-qc?searchtype=author&query=Arduini%2C+G">Gianluigi Arduini</a>, <a href="/search/gr-qc?searchtype=author&query=Arnold%2C+A">Aidan Arnold</a>, <a href="/search/gr-qc?searchtype=author&query=A%C3%9Fmann%2C+T">Tobias A脽mann</a>, <a href="/search/gr-qc?searchtype=author&query=Augst%2C+N">Nadja Augst</a>, <a href="/search/gr-qc?searchtype=author&query=Badurina%2C+L">Leonardo Badurina</a>, <a href="/search/gr-qc?searchtype=author&query=Balaz%2C+A">Antun Balaz</a>, <a href="/search/gr-qc?searchtype=author&query=Banks%2C+H">Hannah Banks</a>, <a href="/search/gr-qc?searchtype=author&query=Barone%2C+M">Michele Barone</a>, <a href="/search/gr-qc?searchtype=author&query=Barsanti%2C+M">Michele Barsanti</a>, <a href="/search/gr-qc?searchtype=author&query=Bassi%2C+A">Angelo Bassi</a>, <a href="/search/gr-qc?searchtype=author&query=Battelier%2C+B">Baptiste Battelier</a>, <a href="/search/gr-qc?searchtype=author&query=Baynham%2C+C">Charles Baynham</a>, <a href="/search/gr-qc?searchtype=author&query=Quentin%2C+B">Beaufils Quentin</a>, <a href="/search/gr-qc?searchtype=author&query=Belic%2C+A">Aleksandar Belic</a>, <a href="/search/gr-qc?searchtype=author&query=Beniwal%2C+A">Ankit Beniwal</a>, <a href="/search/gr-qc?searchtype=author&query=Bernabeu%2C+J">Jose Bernabeu</a>, <a href="/search/gr-qc?searchtype=author&query=Bertinelli%2C+F">Francesco Bertinelli</a>, <a href="/search/gr-qc?searchtype=author&query=Bertoldi%2C+A">Andrea Bertoldi</a>, <a href="/search/gr-qc?searchtype=author&query=Biswas%2C+I+A">Ikbal Ahamed Biswas</a>, <a href="/search/gr-qc?searchtype=author&query=Blas%2C+D">Diego Blas</a> , et al. (228 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="2310.08183v1-abstract-short" style="display: inline;"> This document presents a summary of the 2023 Terrestrial Very-Long-Baseline Atom Interferometry Workshop hosted by CERN. The workshop brought together experts from around the world to discuss the exciting developments in large-scale atom interferometer (AI) prototypes and their potential for detecting ultralight dark matter and gravitational waves. The primary objective of the workshop was to lay… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.08183v1-abstract-full').style.display = 'inline'; document.getElementById('2310.08183v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2310.08183v1-abstract-full" style="display: none;"> This document presents a summary of the 2023 Terrestrial Very-Long-Baseline Atom Interferometry Workshop hosted by CERN. The workshop brought together experts from around the world to discuss the exciting developments in large-scale atom interferometer (AI) prototypes and their potential for detecting ultralight dark matter and gravitational waves. The primary objective of the workshop was to lay the groundwork for an international TVLBAI proto-collaboration. This collaboration aims to unite researchers from different institutions to strategize and secure funding for terrestrial large-scale AI projects. The ultimate goal is to create a roadmap detailing the design and technology choices for one or more km-scale detectors, which will be operational in the mid-2030s. The key sections of this report present the physics case and technical challenges, together with a comprehensive overview of the discussions at the workshop together with the main conclusions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.08183v1-abstract-full').style.display = 'none'; document.getElementById('2310.08183v1-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> 12 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2023. </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">Summary of the Terrestrial Very-Long-Baseline Atom Interferometry Workshop held at CERN: https://indico.cern.ch/event/1208783/</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2211.15412">arXiv:2211.15412</a> <span> [<a href="https://arxiv.org/pdf/2211.15412">pdf</a>, <a href="https://arxiv.org/format/2211.15412">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Space Physics">physics.space-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> </div> </div> <p class="title is-5 mathjax"> STE-QUEST: Space Time Explorer and QUantum Equivalence principle Space Test </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Ahlers%2C+H">Holger Ahlers</a>, <a href="/search/gr-qc?searchtype=author&query=Badurina%2C+L">Leonardo Badurina</a>, <a href="/search/gr-qc?searchtype=author&query=Bassi%2C+A">Angelo Bassi</a>, <a href="/search/gr-qc?searchtype=author&query=Battelier%2C+B">Baptiste Battelier</a>, <a href="/search/gr-qc?searchtype=author&query=Beaufils%2C+Q">Quentin Beaufils</a>, <a href="/search/gr-qc?searchtype=author&query=Bongs%2C+K">Kai Bongs</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">Philippe Bouyer</a>, <a href="/search/gr-qc?searchtype=author&query=Braxmaier%2C+C">Claus Braxmaier</a>, <a href="/search/gr-qc?searchtype=author&query=Buchmueller%2C+O">Oliver Buchmueller</a>, <a href="/search/gr-qc?searchtype=author&query=Carlesso%2C+M">Matteo Carlesso</a>, <a href="/search/gr-qc?searchtype=author&query=Charron%2C+E">Eric Charron</a>, <a href="/search/gr-qc?searchtype=author&query=Chiofalo%2C+M+L">Maria Luisa Chiofalo</a>, <a href="/search/gr-qc?searchtype=author&query=Corgier%2C+R">Robin Corgier</a>, <a href="/search/gr-qc?searchtype=author&query=Donadi%2C+S">Sandro Donadi</a>, <a href="/search/gr-qc?searchtype=author&query=Droz%2C+F">Fabien Droz</a>, <a href="/search/gr-qc?searchtype=author&query=Ecoffet%2C+R">Robert Ecoffet</a>, <a href="/search/gr-qc?searchtype=author&query=Ellis%2C+J">John Ellis</a>, <a href="/search/gr-qc?searchtype=author&query=Est%C3%A8ve%2C+F">Fr茅d茅ric Est猫ve</a>, <a href="/search/gr-qc?searchtype=author&query=Gaaloul%2C+N">Naceur Gaaloul</a>, <a href="/search/gr-qc?searchtype=author&query=Gerardi%2C+D">Domenico Gerardi</a>, <a href="/search/gr-qc?searchtype=author&query=Giese%2C+E">Enno Giese</a>, <a href="/search/gr-qc?searchtype=author&query=Grosse%2C+J">Jens Grosse</a>, <a href="/search/gr-qc?searchtype=author&query=Hees%2C+A">Aur茅lien Hees</a>, <a href="/search/gr-qc?searchtype=author&query=Hensel%2C+T">Thomas Hensel</a>, <a href="/search/gr-qc?searchtype=author&query=Herr%2C+W">Waldemar Herr</a> , et al. (28 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="2211.15412v3-abstract-short" style="display: inline;"> An M-class mission proposal in response to the 2021 call in ESA's science programme with a broad range of objectives in fundamental physics, which include testing the Equivalence Principle and Lorentz Invariance, searching for Ultralight Dark Matter and probing Quantum Mechanics. </span> <span class="abstract-full has-text-grey-dark mathjax" id="2211.15412v3-abstract-full" style="display: none;"> An M-class mission proposal in response to the 2021 call in ESA's science programme with a broad range of objectives in fundamental physics, which include testing the Equivalence Principle and Lorentz Invariance, searching for Ultralight Dark Matter and probing Quantum Mechanics. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2211.15412v3-abstract-full').style.display = 'none'; document.getElementById('2211.15412v3-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 November, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 November, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2022. </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">As submitted to the M7 call in July 2022, except updated for the recent (Sept. 2022) MICROSCOPE results, and new section 2.5 summarizing the information provided to ESA during the September 2022 audition</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2204.12137">arXiv:2204.12137</a> <span> [<a href="https://arxiv.org/pdf/2204.12137">pdf</a>, <a href="https://arxiv.org/format/2204.12137">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> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> A gravity antenna based on quantum technologies: MIGA </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Canuel%2C+B">B. Canuel</a>, <a href="/search/gr-qc?searchtype=author&query=Zou%2C+X">X. Zou</a>, <a href="/search/gr-qc?searchtype=author&query=Sabulsky%2C+D+O">D. O. Sabulsky</a>, <a href="/search/gr-qc?searchtype=author&query=Junca%2C+J">J. Junca</a>, <a href="/search/gr-qc?searchtype=author&query=Bertoldi%2C+A">A. Bertoldi</a>, <a href="/search/gr-qc?searchtype=author&query=Beaufils%2C+Q">Q. Beaufils</a>, <a href="/search/gr-qc?searchtype=author&query=Geiger%2C+R">R. Geiger</a>, <a href="/search/gr-qc?searchtype=author&query=Landragin%2C+A">A. Landragin</a>, <a href="/search/gr-qc?searchtype=author&query=Prevedelli%2C+M">M. Prevedelli</a>, <a href="/search/gr-qc?searchtype=author&query=Gaffet%2C+S">S. Gaffet</a>, <a href="/search/gr-qc?searchtype=author&query=Boyer%2C+D">D. Boyer</a>, <a href="/search/gr-qc?searchtype=author&query=Roche%2C+I+L">I. L谩zaro Roche</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">P. Bouyer</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="2204.12137v1-abstract-short" style="display: inline;"> We report the realization of a large scale gravity antenna based on matter-wave interferometry, the MIGA project. This experiment consists in an array of cold Rb sources correlated by a 150 m long optical cavity. MIGA is in construction at the LSBB underground laboratory, a site that benefits from a low background noise and is an ideal premise to carry out precision gravity measurements. The MIGA… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2204.12137v1-abstract-full').style.display = 'inline'; document.getElementById('2204.12137v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2204.12137v1-abstract-full" style="display: none;"> We report the realization of a large scale gravity antenna based on matter-wave interferometry, the MIGA project. This experiment consists in an array of cold Rb sources correlated by a 150 m long optical cavity. MIGA is in construction at the LSBB underground laboratory, a site that benefits from a low background noise and is an ideal premise to carry out precision gravity measurements. The MIGA facility will be a demonstrator for a new generation of GW detector based on atom interferometry that could open the infrasound window for the observation of GWs. We describe here the status of the instrument construction, focusing on the infrastructure works at LSBB and the realization of the vacuum vessel of the antenna. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2204.12137v1-abstract-full').style.display = 'none'; document.getElementById('2204.12137v1-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> 26 April, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2022. </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">Contribution to the 2022 Gravitation session of the 56th Rencontres de Moriond</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2201.07789">arXiv:2201.07789</a> <span> [<a href="https://arxiv.org/pdf/2201.07789">pdf</a>, <a href="https://arxiv.org/format/2201.07789">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 Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey 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/10.1140/epjqt/s40507-022-00147-w">10.1140/epjqt/s40507-022-00147-w <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Cold Atoms in Space: Community Workshop Summary and Proposed Road-Map </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Alonso%2C+I">Ivan Alonso</a>, <a href="/search/gr-qc?searchtype=author&query=Alpigiani%2C+C">Cristiano Alpigiani</a>, <a href="/search/gr-qc?searchtype=author&query=Altschul%2C+B">Brett Altschul</a>, <a href="/search/gr-qc?searchtype=author&query=Araujo%2C+H">Henrique Araujo</a>, <a href="/search/gr-qc?searchtype=author&query=Arduini%2C+G">Gianluigi Arduini</a>, <a href="/search/gr-qc?searchtype=author&query=Arlt%2C+J">Jan Arlt</a>, <a href="/search/gr-qc?searchtype=author&query=Badurina%2C+L">Leonardo Badurina</a>, <a href="/search/gr-qc?searchtype=author&query=Balaz%2C+A">Antun Balaz</a>, <a href="/search/gr-qc?searchtype=author&query=Bandarupally%2C+S">Satvika Bandarupally</a>, <a href="/search/gr-qc?searchtype=author&query=Barone%2C+B+C+B+M">Barry C Barish Michele Barone</a>, <a href="/search/gr-qc?searchtype=author&query=Barsanti%2C+M">Michele Barsanti</a>, <a href="/search/gr-qc?searchtype=author&query=Bass%2C+S">Steven Bass</a>, <a href="/search/gr-qc?searchtype=author&query=Bassi%2C+A">Angelo Bassi</a>, <a href="/search/gr-qc?searchtype=author&query=Battelier%2C+B">Baptiste Battelier</a>, <a href="/search/gr-qc?searchtype=author&query=Baynham%2C+C+F+A">Charles F. A. Baynham</a>, <a href="/search/gr-qc?searchtype=author&query=Beaufils%2C+Q">Quentin Beaufils</a>, <a href="/search/gr-qc?searchtype=author&query=Belic%2C+A">Aleksandar Belic</a>, <a href="/search/gr-qc?searchtype=author&query=Berge%2C+J">Joel Berge</a>, <a href="/search/gr-qc?searchtype=author&query=Bernabeu%2C+J">Jose Bernabeu</a>, <a href="/search/gr-qc?searchtype=author&query=Bertoldi%2C+A">Andrea Bertoldi</a>, <a href="/search/gr-qc?searchtype=author&query=Bingham%2C+R">Robert Bingham</a>, <a href="/search/gr-qc?searchtype=author&query=Bize%2C+S">Sebastien Bize</a>, <a href="/search/gr-qc?searchtype=author&query=Blas%2C+D">Diego Blas</a>, <a href="/search/gr-qc?searchtype=author&query=Bongs%2C+K">Kai Bongs</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">Philippe Bouyer</a> , et al. (224 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="2201.07789v1-abstract-short" style="display: inline;"> We summarize the discussions at a virtual Community Workshop on Cold Atoms in Space concerning the status of cold atom technologies, the prospective scientific and societal opportunities offered by their deployment in space, and the developments needed before cold atoms could be operated in space. The cold atom technologies discussed include atomic clocks, quantum gravimeters and accelerometers, a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.07789v1-abstract-full').style.display = 'inline'; document.getElementById('2201.07789v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2201.07789v1-abstract-full" style="display: none;"> We summarize the discussions at a virtual Community Workshop on Cold Atoms in Space concerning the status of cold atom technologies, the prospective scientific and societal opportunities offered by their deployment in space, and the developments needed before cold atoms could be operated in space. The cold atom technologies discussed include atomic clocks, quantum gravimeters and accelerometers, and atom interferometers. Prospective applications include metrology, geodesy and measurement of terrestrial mass change due to, e.g., climate change, and fundamental science experiments such as tests of the equivalence principle, searches for dark matter, measurements of gravitational waves and tests of quantum mechanics. We review the current status of cold atom technologies and outline the requirements for their space qualification, including the development paths and the corresponding technical milestones, and identifying possible pathfinder missions to pave the way for missions to exploit the full potential of cold atoms in space. Finally, we present a first draft of a possible road-map for achieving these goals, that we propose for discussion by the interested cold atom, Earth Observation, fundamental physics and other prospective scientific user communities, together with ESA and national space and research funding agencies. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.07789v1-abstract-full').style.display = 'none'; document.getElementById('2201.07789v1-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> 19 January, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2022. </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">Summary of the Community Workshop on Cold Atoms in Space and corresponding Road-map: https://indico.cern.ch/event/1064855/</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> EPJ Quantum Technol. 9, 30 (2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2110.13273">arXiv:2110.13273</a> <span> [<a href="https://arxiv.org/pdf/2110.13273">pdf</a>, <a href="https://arxiv.org/format/2110.13273">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> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-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/10.1116/5.0076502">10.1116/5.0076502 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Testing the Universality of Free Fall using correlated $^{39}$K -- $^{87}$Rb interferometers </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Barrett%2C+B">Brynle Barrett</a>, <a href="/search/gr-qc?searchtype=author&query=Condon%2C+G">Gabriel Condon</a>, <a href="/search/gr-qc?searchtype=author&query=Chichet%2C+L">Laure Chichet</a>, <a href="/search/gr-qc?searchtype=author&query=Antoni-Micollier%2C+L">Laura Antoni-Micollier</a>, <a href="/search/gr-qc?searchtype=author&query=Arguel%2C+R">Romain Arguel</a>, <a href="/search/gr-qc?searchtype=author&query=Rabault%2C+M">Martin Rabault</a>, <a href="/search/gr-qc?searchtype=author&query=Pelluet%2C+C">Celia Pelluet</a>, <a href="/search/gr-qc?searchtype=author&query=Jarlaud%2C+V">Vincent Jarlaud</a>, <a href="/search/gr-qc?searchtype=author&query=Landragin%2C+A">Arnaud Landragin</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">Philippe Bouyer</a>, <a href="/search/gr-qc?searchtype=author&query=Battelier%2C+B">Baptiste Battelier</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="2110.13273v1-abstract-short" style="display: inline;"> We demonstrate how simultaneously-operated $^{39}$K -- $^{87}$Rb interferometers exhibiting a high level of correlation can be used to make competitive tests of the university of free fall. This work provides an overview of our experimental apparatus and data analysis procedure, including a detailed study of systematic effects. With a total interrogation time of $2T = 40$ ms in a compact apparatus… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.13273v1-abstract-full').style.display = 'inline'; document.getElementById('2110.13273v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2110.13273v1-abstract-full" style="display: none;"> We demonstrate how simultaneously-operated $^{39}$K -- $^{87}$Rb interferometers exhibiting a high level of correlation can be used to make competitive tests of the university of free fall. This work provides an overview of our experimental apparatus and data analysis procedure, including a detailed study of systematic effects. With a total interrogation time of $2T = 40$ ms in a compact apparatus, we reach a statistical uncertainty on the measurement of the E枚tv枚s parameter of $7.8 \times 10^{-8}$ after $2.4 \times 10^4$ s of integration. The main limitations to our measurement arise from a combination of wavefront aberrations, the quadratic Zeeman effect in $^{39}$K, parasitic interferometers in $^{87}$Rb, and the velocity sensitivity of our detection system. These systematic errors limit the accuracy of our measurement to $畏= 0.9(1.6) \times 10^{-6}$. We discuss prospects for improvements using ultracold atoms at extended interrogation times. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.13273v1-abstract-full').style.display = 'none'; document.getElementById('2110.13273v1-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> 25 October, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> AVS Quantum Sci. 4, 014401 (2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1911.03701">arXiv:1911.03701</a> <span> [<a href="https://arxiv.org/pdf/1911.03701">pdf</a>, <a href="https://arxiv.org/format/1911.03701">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> <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/10.1088/1361-6382/aba80e">10.1088/1361-6382/aba80e <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> ELGAR -- a European Laboratory for Gravitation and Atom-interferometric Research </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Canuel%2C+B">B. Canuel</a>, <a href="/search/gr-qc?searchtype=author&query=Abend%2C+S">S. Abend</a>, <a href="/search/gr-qc?searchtype=author&query=Amaro-Seoane%2C+P">P. Amaro-Seoane</a>, <a href="/search/gr-qc?searchtype=author&query=Badaracco%2C+F">F. Badaracco</a>, <a href="/search/gr-qc?searchtype=author&query=Beaufils%2C+Q">Q. Beaufils</a>, <a href="/search/gr-qc?searchtype=author&query=Bertoldi%2C+A">A. Bertoldi</a>, <a href="/search/gr-qc?searchtype=author&query=Bongs%2C+K">K. Bongs</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">P. Bouyer</a>, <a href="/search/gr-qc?searchtype=author&query=Braxmaier%2C+C">C. Braxmaier</a>, <a href="/search/gr-qc?searchtype=author&query=Chaibi%2C+W">W. Chaibi</a>, <a href="/search/gr-qc?searchtype=author&query=Christensen%2C+N">N. Christensen</a>, <a href="/search/gr-qc?searchtype=author&query=Fitzek%2C+F">F. Fitzek</a>, <a href="/search/gr-qc?searchtype=author&query=Flouris%2C+G">G. Flouris</a>, <a href="/search/gr-qc?searchtype=author&query=Gaaloul%2C+N">N. Gaaloul</a>, <a href="/search/gr-qc?searchtype=author&query=Gaffet%2C+S">S. Gaffet</a>, <a href="/search/gr-qc?searchtype=author&query=Alzar%2C+C+L+G">C. L. Garrido Alzar</a>, <a href="/search/gr-qc?searchtype=author&query=Geiger%2C+R">R. Geiger</a>, <a href="/search/gr-qc?searchtype=author&query=Guellati-Khelifa%2C+S">S. Guellati-Khelifa</a>, <a href="/search/gr-qc?searchtype=author&query=Hammerer%2C+K">K. Hammerer</a>, <a href="/search/gr-qc?searchtype=author&query=Harms%2C+J">J. Harms</a>, <a href="/search/gr-qc?searchtype=author&query=Hinderer%2C+J">J. Hinderer</a>, <a href="/search/gr-qc?searchtype=author&query=Junca%2C+J">J. Junca</a>, <a href="/search/gr-qc?searchtype=author&query=Katsanevas%2C+S">S. Katsanevas</a>, <a href="/search/gr-qc?searchtype=author&query=Klempt%2C+C">C. Klempt</a>, <a href="/search/gr-qc?searchtype=author&query=Kozanitis%2C+C">C. Kozanitis</a> , et al. (33 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="1911.03701v1-abstract-short" style="display: inline;"> Gravitational Waves (GWs) were observed for the first time in 2015, one century after Einstein predicted their existence. There is now growing interest to extend the detection bandwidth to low frequency. The scientific potential of multi-frequency GW astronomy is enormous as it would enable to obtain a more complete picture of cosmic events and mechanisms. This is a unique and entirely new opportu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1911.03701v1-abstract-full').style.display = 'inline'; document.getElementById('1911.03701v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1911.03701v1-abstract-full" style="display: none;"> Gravitational Waves (GWs) were observed for the first time in 2015, one century after Einstein predicted their existence. There is now growing interest to extend the detection bandwidth to low frequency. The scientific potential of multi-frequency GW astronomy is enormous as it would enable to obtain a more complete picture of cosmic events and mechanisms. This is a unique and entirely new opportunity for the future of astronomy, the success of which depends upon the decisions being made on existing and new infrastructures. The prospect of combining observations from the future space-based instrument LISA together with third generation ground based detectors will open the way towards multi-band GW astronomy, but will leave the infrasound (0.1 Hz to 10 Hz) band uncovered. GW detectors based on matter wave interferometry promise to fill such a sensitivity gap. We propose the European Laboratory for Gravitation and Atom-interferometric Research (ELGAR), an underground infrastructure based on the latest progress in atomic physics, to study space-time and gravitation with the primary goal of detecting GWs in the infrasound band. ELGAR will directly inherit from large research facilities now being built in Europe for the study of large scale atom interferometry and will drive new pan-European synergies from top research centers developing quantum sensors. ELGAR will measure GW radiation in the infrasound band with a peak strain sensitivity of $4.1 \times 10^{-22}/\sqrt{\text{Hz}}$ at 1.7 Hz. The antenna will have an impact on diverse fundamental and applied research fields beyond GW astronomy, including gravitation, general relativity, and geology. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1911.03701v1-abstract-full').style.display = 'none'; document.getElementById('1911.03701v1-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 November, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Class. Quantum Grav. 37 225017 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1908.00802">arXiv:1908.00802</a> <span> [<a href="https://arxiv.org/pdf/1908.00802">pdf</a>, <a href="https://arxiv.org/format/1908.00802">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey 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/10.1140/epjqt/s40507-020-0080-0">10.1140/epjqt/s40507-020-0080-0 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> AEDGE: Atomic Experiment for Dark Matter and Gravity Exploration in Space </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=El-Neaj%2C+Y+A">Yousef Abou El-Neaj</a>, <a href="/search/gr-qc?searchtype=author&query=Alpigiani%2C+C">Cristiano Alpigiani</a>, <a href="/search/gr-qc?searchtype=author&query=Amairi-Pyka%2C+S">Sana Amairi-Pyka</a>, <a href="/search/gr-qc?searchtype=author&query=Araujo%2C+H">Henrique Araujo</a>, <a href="/search/gr-qc?searchtype=author&query=Balaz%2C+A">Antun Balaz</a>, <a href="/search/gr-qc?searchtype=author&query=Bassi%2C+A">Angelo Bassi</a>, <a href="/search/gr-qc?searchtype=author&query=Bathe-Peters%2C+L">Lars Bathe-Peters</a>, <a href="/search/gr-qc?searchtype=author&query=Battelier%2C+B">Baptiste Battelier</a>, <a href="/search/gr-qc?searchtype=author&query=Belic%2C+A">Aleksandar Belic</a>, <a href="/search/gr-qc?searchtype=author&query=Bentine%2C+E">Elliot Bentine</a>, <a href="/search/gr-qc?searchtype=author&query=Bernabeu%2C+J">Jose Bernabeu</a>, <a href="/search/gr-qc?searchtype=author&query=Bertoldi%2C+A">Andrea Bertoldi</a>, <a href="/search/gr-qc?searchtype=author&query=Bingham%2C+R">Robert Bingham</a>, <a href="/search/gr-qc?searchtype=author&query=Blas%2C+D">Diego Blas</a>, <a href="/search/gr-qc?searchtype=author&query=Bolpasi%2C+V">Vasiliki Bolpasi</a>, <a href="/search/gr-qc?searchtype=author&query=Bongs%2C+K">Kai Bongs</a>, <a href="/search/gr-qc?searchtype=author&query=Bose%2C+S">Sougato Bose</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">Philippe Bouyer</a>, <a href="/search/gr-qc?searchtype=author&query=Bowcock%2C+T">Themis Bowcock</a>, <a href="/search/gr-qc?searchtype=author&query=Bowden%2C+W">William Bowden</a>, <a href="/search/gr-qc?searchtype=author&query=Buchmueller%2C+O">Oliver Buchmueller</a>, <a href="/search/gr-qc?searchtype=author&query=Burrage%2C+C">Clare Burrage</a>, <a href="/search/gr-qc?searchtype=author&query=Calmet%2C+X">Xavier Calmet</a>, <a href="/search/gr-qc?searchtype=author&query=Canuel%2C+B">Benjamin Canuel</a>, <a href="/search/gr-qc?searchtype=author&query=Caramete%2C+L">Laurentiu-Ioan Caramete</a> , et al. (107 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="1908.00802v2-abstract-short" style="display: inline;"> We propose in this White Paper a concept for a space experiment using cold atoms to search for ultra-light dark matter, and to detect gravitational waves in the frequency range between the most sensitive ranges of LISA and the terrestrial LIGO/Virgo/KAGRA/INDIGO experiments. This interdisciplinary experiment, called Atomic Experiment for Dark Matter and Gravity Exploration (AEDGE), will also compl… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1908.00802v2-abstract-full').style.display = 'inline'; document.getElementById('1908.00802v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1908.00802v2-abstract-full" style="display: none;"> We propose in this White Paper a concept for a space experiment using cold atoms to search for ultra-light dark matter, and to detect gravitational waves in the frequency range between the most sensitive ranges of LISA and the terrestrial LIGO/Virgo/KAGRA/INDIGO experiments. This interdisciplinary experiment, called Atomic Experiment for Dark Matter and Gravity Exploration (AEDGE), will also complement other planned searches for dark matter, and exploit synergies with other gravitational wave detectors. We give examples of the extended range of sensitivity to ultra-light dark matter offered by AEDGE, and how its gravitational-wave measurements could explore the assembly of super-massive black holes, first-order phase transitions in the early universe and cosmic strings. AEDGE will be based upon technologies now being developed for terrestrial experiments using cold atoms, and will benefit from the space experience obtained with, e.g., LISA and cold atom experiments in microgravity. This paper is based on a submission (v1) in response to the Call for White Papers for the Voyage 2050 long-term plan in the ESA Science Programme. ESA limited the number of White Paper authors to 30. However, in this version (v2) we have welcomed as supporting authors participants in the Workshop on Atomic Experiments for Dark Matter and Gravity Exploration held at CERN: ({\tt https://indico.cern.ch/event/830432/}), as well as other interested scientists, and have incorporated additional material. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1908.00802v2-abstract-full').style.display = 'none'; document.getElementById('1908.00802v2-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> 10 October, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 2 August, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2019. </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">V2 -- added support authors</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> KCL-PH-TH/2019-65, CERN-TH-2019-126 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> EPJ Quantum Technol. 7, 6 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1907.03867">arXiv:1907.03867</a> <span> [<a href="https://arxiv.org/pdf/1907.03867">pdf</a>, <a href="https://arxiv.org/format/1907.03867">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 Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey 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="Quantum Physics">quant-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/10.1140/epjd/e2019-100324-6">10.1140/epjd/e2019-100324-6 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> SAGE: A Proposal for a Space Atomic Gravity Explorer </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Tino%2C+G+M">G. M. Tino</a>, <a href="/search/gr-qc?searchtype=author&query=Bassi%2C+A">A. Bassi</a>, <a href="/search/gr-qc?searchtype=author&query=Bianco%2C+G">G. Bianco</a>, <a href="/search/gr-qc?searchtype=author&query=Bongs%2C+K">K. Bongs</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">P. Bouyer</a>, <a href="/search/gr-qc?searchtype=author&query=Cacciapuoti%2C+L">L. Cacciapuoti</a>, <a href="/search/gr-qc?searchtype=author&query=Capozziello%2C+S">S. Capozziello</a>, <a href="/search/gr-qc?searchtype=author&query=Chen%2C+X">X. Chen</a>, <a href="/search/gr-qc?searchtype=author&query=Chiofalo%2C+M+L">M. L. Chiofalo</a>, <a href="/search/gr-qc?searchtype=author&query=Derevianko%2C+A">A. Derevianko</a>, <a href="/search/gr-qc?searchtype=author&query=Ertmer%2C+W">W. Ertmer</a>, <a href="/search/gr-qc?searchtype=author&query=Gaaloul%2C+N">N. Gaaloul</a>, <a href="/search/gr-qc?searchtype=author&query=Gill%2C+P">P. Gill</a>, <a href="/search/gr-qc?searchtype=author&query=Graham%2C+P+W">P. W. Graham</a>, <a href="/search/gr-qc?searchtype=author&query=Hogan%2C+J+M">J. M. Hogan</a>, <a href="/search/gr-qc?searchtype=author&query=Iess%2C+L">L. Iess</a>, <a href="/search/gr-qc?searchtype=author&query=Kasevich%2C+M+A">M. A. Kasevich</a>, <a href="/search/gr-qc?searchtype=author&query=Katori%2C+H">H. Katori</a>, <a href="/search/gr-qc?searchtype=author&query=Klempt%2C+C">C. Klempt</a>, <a href="/search/gr-qc?searchtype=author&query=Lu%2C+X">X. Lu</a>, <a href="/search/gr-qc?searchtype=author&query=Ma%2C+L+-">L. -S. Ma</a>, <a href="/search/gr-qc?searchtype=author&query=M%C3%BCller%2C+H">H. M眉ller</a>, <a href="/search/gr-qc?searchtype=author&query=Newbury%2C+N+R">N. R. Newbury</a>, <a href="/search/gr-qc?searchtype=author&query=Oates%2C+C">C. Oates</a>, <a href="/search/gr-qc?searchtype=author&query=Peters%2C+A">A. Peters</a> , et al. (22 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="1907.03867v2-abstract-short" style="display: inline;"> The proposed mission "Space Atomic Gravity Explorer" (SAGE) has the scientific objective to investigate gravitational waves, dark matter, and other fundamental aspects of gravity as well as the connection between gravitational physics and quantum physics using new quantum sensors, namely, optical atomic clocks and atom interferometers based on ultracold strontium atoms. </span> <span class="abstract-full has-text-grey-dark mathjax" id="1907.03867v2-abstract-full" style="display: none;"> The proposed mission "Space Atomic Gravity Explorer" (SAGE) has the scientific objective to investigate gravitational waves, dark matter, and other fundamental aspects of gravity as well as the connection between gravitational physics and quantum physics using new quantum sensors, namely, optical atomic clocks and atom interferometers based on ultracold strontium atoms. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1907.03867v2-abstract-full').style.display = 'none'; document.getElementById('1907.03867v2-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> 18 November, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 July, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2019. </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">Published in Eur. Phys. J. D 73 (2019) 228 in the Topical Issue Quantum Technologies for Gravitational Physics, Guest editors Tanja Mehlstaubler, Yanbei Chen, Guglielmo M. Tino and Hsien-Chi Yeh</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. D 73, 228 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1705.10475">arXiv:1705.10475</a> <span> [<a href="https://arxiv.org/pdf/1705.10475">pdf</a>, <a href="https://arxiv.org/format/1705.10475">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> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> </div> </div> <p class="title is-5 mathjax"> Studies of general relativity with quantum sensors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Lefevre%2C+G">G. Lefevre</a>, <a href="/search/gr-qc?searchtype=author&query=Condon%2C+G">G. Condon</a>, <a href="/search/gr-qc?searchtype=author&query=Riou%2C+I">I. Riou</a>, <a href="/search/gr-qc?searchtype=author&query=Chichet%2C+L">L. Chichet</a>, <a href="/search/gr-qc?searchtype=author&query=Essayeh%2C+M">M. Essayeh</a>, <a href="/search/gr-qc?searchtype=author&query=Rabault%2C+M">M. Rabault</a>, <a href="/search/gr-qc?searchtype=author&query=Antoni-Micollier%2C+L">L. Antoni-Micollier</a>, <a href="/search/gr-qc?searchtype=author&query=Mielec%2C+N">N. Mielec</a>, <a href="/search/gr-qc?searchtype=author&query=Holleville%2C+D">D. Holleville</a>, <a href="/search/gr-qc?searchtype=author&query=Amand%2C+L">L. Amand</a>, <a href="/search/gr-qc?searchtype=author&query=Geiger%2C+R">R. Geiger</a>, <a href="/search/gr-qc?searchtype=author&query=Landragin%2C+A">A. Landragin</a>, <a href="/search/gr-qc?searchtype=author&query=Prevedelli%2C+M">M. Prevedelli</a>, <a href="/search/gr-qc?searchtype=author&query=Barrett%2C+B">B. Barrett</a>, <a href="/search/gr-qc?searchtype=author&query=Battelier%2C+B">B. Battelier</a>, <a href="/search/gr-qc?searchtype=author&query=Bertoldi%2C+A">A. Bertoldi</a>, <a href="/search/gr-qc?searchtype=author&query=Canuel%2C+B">B. Canuel</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">P. Bouyer</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="1705.10475v1-abstract-short" style="display: inline;"> We present two projects aiming to probe key aspects of the theory of General Relativity with high-precision quantum sensors. These projects use cold-atom interferometry with the aim of measuring gravitational waves and testing the equivalence principle. To detect gravitational waves, a large multi-sensor demonstrator is currently under construction that will exploit correlations between three atom… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1705.10475v1-abstract-full').style.display = 'inline'; document.getElementById('1705.10475v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1705.10475v1-abstract-full" style="display: none;"> We present two projects aiming to probe key aspects of the theory of General Relativity with high-precision quantum sensors. These projects use cold-atom interferometry with the aim of measuring gravitational waves and testing the equivalence principle. To detect gravitational waves, a large multi-sensor demonstrator is currently under construction that will exploit correlations between three atom interferometers spread along a 200 m optical cavity. Similarly, a test of the weak equivalence principle is currently underway using a compact and mobile dual-species interferometer, which will serve as a prototype for future high-precision tests onboard an orbiting satellite. We present recent results and improvements related to both projects. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1705.10475v1-abstract-full').style.display = 'none'; document.getElementById('1705.10475v1-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, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2017. </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, 7 figures, to appear in "Proceedings of the 52nd Rencontres de Moriond on Gravitation"</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1604.02072">arXiv:1604.02072</a> <span> [<a href="https://arxiv.org/pdf/1604.02072">pdf</a>, <a href="https://arxiv.org/format/1604.02072">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> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Geophysics">physics.geo-ph</span> <span class="tag is-small is-grey 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/10.1117/12.2228825">10.1117/12.2228825 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> MIGA: Combining laser and matter wave interferometry for mass distribution monitoring and advanced geodesy </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Canuel%2C+B">B. Canuel</a>, <a href="/search/gr-qc?searchtype=author&query=Pelisson%2C+S">S. Pelisson</a>, <a href="/search/gr-qc?searchtype=author&query=Amand%2C+L">L. Amand</a>, <a href="/search/gr-qc?searchtype=author&query=Bertoldi%2C+A">A. Bertoldi</a>, <a href="/search/gr-qc?searchtype=author&query=Cormier%2C+E">E. Cormier</a>, <a href="/search/gr-qc?searchtype=author&query=Fang%2C+B">B. Fang</a>, <a href="/search/gr-qc?searchtype=author&query=Gaffet%2C+S">S. Gaffet</a>, <a href="/search/gr-qc?searchtype=author&query=Geiger%2C+R">R. Geiger</a>, <a href="/search/gr-qc?searchtype=author&query=Harms%2C+J">J. Harms</a>, <a href="/search/gr-qc?searchtype=author&query=Holleville%2C+D">D. Holleville</a>, <a href="/search/gr-qc?searchtype=author&query=Landragin%2C+A">A. Landragin</a>, <a href="/search/gr-qc?searchtype=author&query=Lef%C3%A8vre%2C+G">G. Lef猫vre</a>, <a href="/search/gr-qc?searchtype=author&query=Lhermite%2C+J">J. Lhermite</a>, <a href="/search/gr-qc?searchtype=author&query=Mielec%2C+N">N. Mielec</a>, <a href="/search/gr-qc?searchtype=author&query=Prevedelli%2C+M">M. Prevedelli</a>, <a href="/search/gr-qc?searchtype=author&query=Riou%2C+I">I. Riou</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">P. Bouyer</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="1604.02072v1-abstract-short" style="display: inline;"> The Matter-Wave laser Interferometer Gravitation Antenna, MIGA, will be a hybrid instrument composed of a network of atom interferometers horizontally aligned and interrogated by the resonant field of an optical cavity. This detector will provide measurements of sub Hertz variations of the gravitational strain tensor. MIGA will bring new methods for geophysics for the characterization of spatial a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1604.02072v1-abstract-full').style.display = 'inline'; document.getElementById('1604.02072v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1604.02072v1-abstract-full" style="display: none;"> The Matter-Wave laser Interferometer Gravitation Antenna, MIGA, will be a hybrid instrument composed of a network of atom interferometers horizontally aligned and interrogated by the resonant field of an optical cavity. This detector will provide measurements of sub Hertz variations of the gravitational strain tensor. MIGA will bring new methods for geophysics for the characterization of spatial and temporal variations of the local gravity field and will also be a demonstrator for future low frequency Gravitational Wave (GW) detections. MIGA will enable a better understanding of the coupling at low frequency between these different signals. The detector will be installed underground in Rustrel (FR), at the "Laboratoire Souterrain Bas Bruit" (LSBB), a facility with exceptionally low environmental noise and located far away from major sources of anthropogenic disturbances. We give in this paper an overview of the operating mode and status of the instrument before detailing simulations of the gravitational background noise at the MIGA installation site. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1604.02072v1-abstract-full').style.display = 'none'; document.getElementById('1604.02072v1-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> 7 April, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 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">Proceedings of SPIE Photonics Europe conference, Brussels (Belgium), 3-7 April 2016</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1603.03246">arXiv:1603.03246</a> <span> [<a href="https://arxiv.org/pdf/1603.03246">pdf</a>, <a href="https://arxiv.org/format/1603.03246">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> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey 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="Quantum Physics">quant-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/10.1088/0031-8949/91/5/053006">10.1088/0031-8949/91/5/053006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Inertial quantum sensors using light and matter </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Barrett%2C+B">B. Barrett</a>, <a href="/search/gr-qc?searchtype=author&query=Bertoldi%2C+A">A. Bertoldi</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">P. Bouyer</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="1603.03246v1-abstract-short" style="display: inline;"> The past few decades have seen dramatic progress in our ability to manipulate and coherently control matter-waves. Although the duality between particles and waves has been well tested since de Broglie introduced the matter-wave analog of the optical wavelength in 1924, manipulating atoms with a level of coherence that enables one to use these properties for precision measurements has only become… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1603.03246v1-abstract-full').style.display = 'inline'; document.getElementById('1603.03246v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1603.03246v1-abstract-full" style="display: none;"> The past few decades have seen dramatic progress in our ability to manipulate and coherently control matter-waves. Although the duality between particles and waves has been well tested since de Broglie introduced the matter-wave analog of the optical wavelength in 1924, manipulating atoms with a level of coherence that enables one to use these properties for precision measurements has only become possible with our ability to produce atomic samples exhibiting temperatures of only a few millionths of a degree above absolute zero. Since the initial experiments a few decades ago, the field of atom optics has developed in many ways, with both fundamental and applied significance. The exquisite control of matter waves offers the prospect of a new generation of force sensors exhibiting unprecedented sensitivity and accuracy, for applications from navigation and geophysics to tests of general relativity. Thanks to the latest developments in this field, the first commercial products using this quantum technology are now available. In the future, our ability to create large coherent ensembles of atoms will allow us an even more precise control of the matter-wave and the ability to create highly entangled states for non-classical atom interferometry. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1603.03246v1-abstract-full').style.display = 'none'; document.getElementById('1603.03246v1-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> 10 March, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 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">15 pages + references, 9 figures, submitted to Physica Scripta</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Scr. 91, 053006 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1601.00417">arXiv:1601.00417</a> <span> [<a href="https://arxiv.org/pdf/1601.00417">pdf</a>, <a href="https://arxiv.org/format/1601.00417">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> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey 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/10.1103/PhysRevD.93.021101">10.1103/PhysRevD.93.021101 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Low Frequency Gravitational Wave Detection With Ground Based Atom Interferometer Arrays </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Chaibi%2C+W">W. Chaibi</a>, <a href="/search/gr-qc?searchtype=author&query=Geiger%2C+R">R. Geiger</a>, <a href="/search/gr-qc?searchtype=author&query=Canuel%2C+B">B. Canuel</a>, <a href="/search/gr-qc?searchtype=author&query=Bertoldi%2C+A">A. Bertoldi</a>, <a href="/search/gr-qc?searchtype=author&query=Landragin%2C+A">A. Landragin</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">P. Bouyer</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="1601.00417v1-abstract-short" style="display: inline;"> We propose a new detection strategy for gravitational waves (GWs) below few Hertz based on a correlated array of atom interferometers (AIs). Our proposal allows to reduce the Newtonian Noise (NN) which limits all ground based GW detectors below few Hertz, including previous atom interferometry-based concepts. Using an array of long baseline AI gradiometers yields several estimations of the NN, who… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.00417v1-abstract-full').style.display = 'inline'; document.getElementById('1601.00417v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1601.00417v1-abstract-full" style="display: none;"> We propose a new detection strategy for gravitational waves (GWs) below few Hertz based on a correlated array of atom interferometers (AIs). Our proposal allows to reduce the Newtonian Noise (NN) which limits all ground based GW detectors below few Hertz, including previous atom interferometry-based concepts. Using an array of long baseline AI gradiometers yields several estimations of the NN, whose effect can thus be reduced via statistical averaging. Considering the km baseline of current optical detectors, a NN rejection of factor 2 could be achieved, and tested with existing AI array geometries. Exploiting the correlation properties of the gravity acceleration noise, we show that a 10-fold or more NN rejection is possible with a dedicated configuration. Considering a conservative NN model and the current developments in cold atom technology, we show that strain sensitivities below $1\times 10^{-19}/ \sqrt{\text{Hz}}$ in the $ 0.3-3 \ \text{Hz}$ frequency band can be within reach, with a peak sensitivity of $3\times 10^{-23}/ \sqrt{\text{Hz}} $ at $2 \ \text{Hz}$. Our proposed configuration could extend the observation window of current detectors by a decade and fill the gap between ground-based and space-based instruments. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.00417v1-abstract-full').style.display = 'none'; document.getElementById('1601.00417v1-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> 4 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 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">5 pages, 5 figures ; accepted for publication in Phys. Rev. D (Rapid Communications)</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 93, 021101(R), 2016 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1505.07137">arXiv:1505.07137</a> <span> [<a href="https://arxiv.org/pdf/1505.07137">pdf</a>, <a href="https://arxiv.org/format/1505.07137">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> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Geophysics">physics.geo-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Matter-wave laser Interferometric Gravitation Antenna (MIGA): New perspectives for fundamental physics and geosciences </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Geiger%2C+R">R. Geiger</a>, <a href="/search/gr-qc?searchtype=author&query=Amand%2C+L">L. Amand</a>, <a href="/search/gr-qc?searchtype=author&query=Bertoldi%2C+A">A. Bertoldi</a>, <a href="/search/gr-qc?searchtype=author&query=Canuel%2C+B">B. Canuel</a>, <a href="/search/gr-qc?searchtype=author&query=Chaibi%2C+W">W. Chaibi</a>, <a href="/search/gr-qc?searchtype=author&query=Danquigny%2C+C">C. Danquigny</a>, <a href="/search/gr-qc?searchtype=author&query=Dutta%2C+I">I. Dutta</a>, <a href="/search/gr-qc?searchtype=author&query=Fang%2C+B">B. Fang</a>, <a href="/search/gr-qc?searchtype=author&query=Gaffet%2C+S">S. Gaffet</a>, <a href="/search/gr-qc?searchtype=author&query=Gillot%2C+J">J. Gillot</a>, <a href="/search/gr-qc?searchtype=author&query=Holleville%2C+D">D. Holleville</a>, <a href="/search/gr-qc?searchtype=author&query=Landragin%2C+A">A. Landragin</a>, <a href="/search/gr-qc?searchtype=author&query=Merzougui%2C+M">M. Merzougui</a>, <a href="/search/gr-qc?searchtype=author&query=Riou%2C+I">I. Riou</a>, <a href="/search/gr-qc?searchtype=author&query=Savoie%2C+D">D. Savoie</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">P. Bouyer</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="1505.07137v2-abstract-short" style="display: inline;"> The MIGA project aims at demonstrating precision measurements of gravity with cold atom sensors in a large scale instrument and at studying the associated applications in geosciences and fundamental physics. The first stage of the project (2013-2018) will consist in building a 300-meter long optical cavity to interrogate atom interferometers and will be based at the low noise underground laborator… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1505.07137v2-abstract-full').style.display = 'inline'; document.getElementById('1505.07137v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1505.07137v2-abstract-full" style="display: none;"> The MIGA project aims at demonstrating precision measurements of gravity with cold atom sensors in a large scale instrument and at studying the associated applications in geosciences and fundamental physics. The first stage of the project (2013-2018) will consist in building a 300-meter long optical cavity to interrogate atom interferometers and will be based at the low noise underground laboratory LSBB in Rustrel, France. The second stage of the project (2018-2023) will be dedicated to science runs and data analyses in order to probe the spatio-temporal structure of the local gravity field of the LSBB region, a site of high hydrological interest. MIGA will also assess future potential applications of atom interferometry to gravitational wave detection in the frequency band $\sim 0.1-10$ Hz hardly covered by future long baseline optical interferometers. This paper presents the main objectives of the project, the status of the construction of the instrument and the motivation for the applications of MIGA in geosciences. Important results on new atom interferometry techniques developed at SYRTE in the context of MIGA and paving the way to precision gravity measurements are also reported. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1505.07137v2-abstract-full').style.display = 'none'; document.getElementById('1505.07137v2-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 October, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 May, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2015. </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">Proceedings of the 50th Rencontres de Moriond "100 years after GR", La Thuile (Italy), 21-28 March 2015 - 10 pages, 5 figures, 23 references version2: added references, corrected typos</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1412.2713">arXiv:1412.2713</a> <span> [<a href="https://arxiv.org/pdf/1412.2713">pdf</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="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey 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="Space Physics">physics.space-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-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/10.1007/s10686-014-9433-y">10.1007/s10686-014-9433-y <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Design of a dual species atom interferometer for space </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Schuldt%2C+T">Thilo Schuldt</a>, <a href="/search/gr-qc?searchtype=author&query=Schubert%2C+C">Christian Schubert</a>, <a href="/search/gr-qc?searchtype=author&query=Krutzik%2C+M">Markus Krutzik</a>, <a href="/search/gr-qc?searchtype=author&query=Bote%2C+L+G">Lluis Gesa Bote</a>, <a href="/search/gr-qc?searchtype=author&query=Gaaloul%2C+N">Naceur Gaaloul</a>, <a href="/search/gr-qc?searchtype=author&query=Hartwig%2C+J">Jonas Hartwig</a>, <a href="/search/gr-qc?searchtype=author&query=Ahlers%2C+H">Holger Ahlers</a>, <a href="/search/gr-qc?searchtype=author&query=Herr%2C+W">Waldemar Herr</a>, <a href="/search/gr-qc?searchtype=author&query=Posso-Trujillo%2C+K">Katerine Posso-Trujillo</a>, <a href="/search/gr-qc?searchtype=author&query=Rudolph%2C+J">Jan Rudolph</a>, <a href="/search/gr-qc?searchtype=author&query=Seidel%2C+S">Stephan Seidel</a>, <a href="/search/gr-qc?searchtype=author&query=Wendrich%2C+T">Thijs Wendrich</a>, <a href="/search/gr-qc?searchtype=author&query=Ertmer%2C+W">Wolfgang Ertmer</a>, <a href="/search/gr-qc?searchtype=author&query=Herrmann%2C+S">Sven Herrmann</a>, <a href="/search/gr-qc?searchtype=author&query=Kubelka-Lange%2C+A">Andr茅 Kubelka-Lange</a>, <a href="/search/gr-qc?searchtype=author&query=Milke%2C+A">Alexander Milke</a>, <a href="/search/gr-qc?searchtype=author&query=Rievers%2C+B">Benny Rievers</a>, <a href="/search/gr-qc?searchtype=author&query=Rocco%2C+E">Emanuele Rocco</a>, <a href="/search/gr-qc?searchtype=author&query=Hinton%2C+A">Andrew Hinton</a>, <a href="/search/gr-qc?searchtype=author&query=Bongs%2C+K">Kai Bongs</a>, <a href="/search/gr-qc?searchtype=author&query=Oswald%2C+M">Markus Oswald</a>, <a href="/search/gr-qc?searchtype=author&query=Franz%2C+M">Matthias Franz</a>, <a href="/search/gr-qc?searchtype=author&query=Hauth%2C+M">Matthias Hauth</a>, <a href="/search/gr-qc?searchtype=author&query=Peters%2C+A">Achim Peters</a>, <a href="/search/gr-qc?searchtype=author&query=Bawamia%2C+A">Ahmad Bawamia</a> , et al. (32 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="1412.2713v1-abstract-short" style="display: inline;"> Atom interferometers have a multitude of proposed applications in space including precise measurements of the Earth's gravitational field, in navigation & ranging, and in fundamental physics such as tests of the weak equivalence principle (WEP) and gravitational wave detection. While atom interferometers are realized routinely in ground-based laboratories, current efforts aim at the development of… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1412.2713v1-abstract-full').style.display = 'inline'; document.getElementById('1412.2713v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1412.2713v1-abstract-full" style="display: none;"> Atom interferometers have a multitude of proposed applications in space including precise measurements of the Earth's gravitational field, in navigation & ranging, and in fundamental physics such as tests of the weak equivalence principle (WEP) and gravitational wave detection. While atom interferometers are realized routinely in ground-based laboratories, current efforts aim at the development of a space compatible design optimized with respect to dimensions, weight, power consumption, mechanical robustness and radiation hardness. In this paper, we present a design of a high-sensitivity differential dual species $^{85}$Rb/$^{87}$Rb atom interferometer for space, including physics package, laser system, electronics and software. The physics package comprises the atom source consisting of dispensers and a 2D magneto-optical trap (MOT), the science chamber with a 3D-MOT, a magnetic trap based on an atom chip and an optical dipole trap (ODT) used for Bose-Einstein condensate (BEC) creation and interferometry, the detection unit, the vacuum system for $10^{-11}$ mbar ultra-high vacuum generation, and the high-suppression factor magnetic shielding as well as the thermal control system. The laser system is based on a hybrid approach using fiber-based telecom components and high-power laser diode technology and includes all laser sources for 2D-MOT, 3D-MOT, ODT, interferometry and detection. Manipulation and switching of the laser beams is carried out on an optical bench using Zerodur bonding technology. The instrument consists of 9 units with an overall mass of 221 kg, an average power consumption of 608 W (819 W peak), and a volume of 470 liters which would well fit on a satellite to be launched with a Soyuz rocket, as system studies have shown. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1412.2713v1-abstract-full').style.display = 'none'; document.getElementById('1412.2713v1-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> 8 December, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2014. </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">30 pages, 23 figures, accepted for publication in Experimental Astronomy</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1404.4307">arXiv:1404.4307</a> <span> [<a href="https://arxiv.org/pdf/1404.4307">pdf</a>, <a href="https://arxiv.org/format/1404.4307">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Cosmology and Nongalactic Astrophysics">astro-ph.CO</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-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/10.1016/j.asr.2014.07.014">10.1016/j.asr.2014.07.014 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Quantum Tests of the Einstein Equivalence Principle with the STE-QUEST Space Mission </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Altschul%2C+B">Brett Altschul</a>, <a href="/search/gr-qc?searchtype=author&query=Bailey%2C+Q+G">Quentin G. Bailey</a>, <a href="/search/gr-qc?searchtype=author&query=Blanchet%2C+L">Luc Blanchet</a>, <a href="/search/gr-qc?searchtype=author&query=Bongs%2C+K">Kai Bongs</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">Philippe Bouyer</a>, <a href="/search/gr-qc?searchtype=author&query=Cacciapuoti%2C+L">Luigi Cacciapuoti</a>, <a href="/search/gr-qc?searchtype=author&query=Capozziello%2C+S">Salvatore Capozziello</a>, <a href="/search/gr-qc?searchtype=author&query=Gaaloul%2C+N">Naceur Gaaloul</a>, <a href="/search/gr-qc?searchtype=author&query=Giulini%2C+D">Domenico Giulini</a>, <a href="/search/gr-qc?searchtype=author&query=Hartwig%2C+J">Jonas Hartwig</a>, <a href="/search/gr-qc?searchtype=author&query=Iess%2C+L">Luciano Iess</a>, <a href="/search/gr-qc?searchtype=author&query=Jetzer%2C+P">Philippe Jetzer</a>, <a href="/search/gr-qc?searchtype=author&query=Landragin%2C+A">Arnaud Landragin</a>, <a href="/search/gr-qc?searchtype=author&query=Rasel%2C+E">Ernst Rasel</a>, <a href="/search/gr-qc?searchtype=author&query=Reynaud%2C+S">Serge Reynaud</a>, <a href="/search/gr-qc?searchtype=author&query=Schiller%2C+S">Stephan Schiller</a>, <a href="/search/gr-qc?searchtype=author&query=Schubert%2C+C">Christian Schubert</a>, <a href="/search/gr-qc?searchtype=author&query=Sorrentino%2C+F">Fiodor Sorrentino</a>, <a href="/search/gr-qc?searchtype=author&query=Sterr%2C+U">Uwe Sterr</a>, <a href="/search/gr-qc?searchtype=author&query=Tasson%2C+J+D">Jay D. Tasson</a>, <a href="/search/gr-qc?searchtype=author&query=Tino%2C+G+M">Guglielmo M. Tino</a>, <a href="/search/gr-qc?searchtype=author&query=Tuckey%2C+P">Philip Tuckey</a>, <a href="/search/gr-qc?searchtype=author&query=Wolf%2C+P">Peter Wolf</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="1404.4307v2-abstract-short" style="display: inline;"> We present in detail the scientific objectives in fundamental physics of the Space-Time Explorer and QUantum Equivalence Space Test (STE-QUEST) space mission. STE-QUEST was pre-selected by the European Space Agency together with four other missions for the cosmic vision M3 launch opportunity planned around 2024. It carries out tests of different aspects of the Einstein Equivalence Principle using… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.4307v2-abstract-full').style.display = 'inline'; document.getElementById('1404.4307v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1404.4307v2-abstract-full" style="display: none;"> We present in detail the scientific objectives in fundamental physics of the Space-Time Explorer and QUantum Equivalence Space Test (STE-QUEST) space mission. STE-QUEST was pre-selected by the European Space Agency together with four other missions for the cosmic vision M3 launch opportunity planned around 2024. It carries out tests of different aspects of the Einstein Equivalence Principle using atomic clocks, matter wave interferometry and long distance time/frequency links, providing fascinating science at the interface between quantum mechanics and gravitation that cannot be achieved, at that level of precision, in ground experiments. We especially emphasize the specific strong interest of performing equivalence principle tests in the quantum regime, i.e. using quantum atomic wave interferometry. Although STE-QUEST was finally not selected in early 2014 because of budgetary and technological reasons, its science case was very highly rated. Our aim is to expose that science to a large audience in order to allow future projects and proposals to take advantage of the STE-QUEST experience. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.4307v2-abstract-full').style.display = 'none'; document.getElementById('1404.4307v2-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> 25 September, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 April, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2014. </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">27 pages, 6 figures, to appear in Advances in Space Research</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Advances in Space Research, 55 (2015) 501-524 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1312.5980">arXiv:1312.5980</a> <span> [<a href="https://arxiv.org/pdf/1312.5980">pdf</a>, <a href="https://arxiv.org/format/1312.5980">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey 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="Space Physics">physics.space-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/10.1088/0264-9381/31/11/115010">10.1088/0264-9381/31/11/115010 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> STE-QUEST - Test of the Universality of Free Fall Using Cold Atom Interferometry </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Aguilera%2C+D">D. Aguilera</a>, <a href="/search/gr-qc?searchtype=author&query=Ahlers%2C+H">H. Ahlers</a>, <a href="/search/gr-qc?searchtype=author&query=Battelier%2C+B">B. Battelier</a>, <a href="/search/gr-qc?searchtype=author&query=Bawamia%2C+A">A. Bawamia</a>, <a href="/search/gr-qc?searchtype=author&query=Bertoldi%2C+A">A. Bertoldi</a>, <a href="/search/gr-qc?searchtype=author&query=Bondarescu%2C+R">R. Bondarescu</a>, <a href="/search/gr-qc?searchtype=author&query=Bongs%2C+K">K. Bongs</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">P. Bouyer</a>, <a href="/search/gr-qc?searchtype=author&query=Braxmaier%2C+C">C. Braxmaier</a>, <a href="/search/gr-qc?searchtype=author&query=Cacciapuoti%2C+L">L. Cacciapuoti</a>, <a href="/search/gr-qc?searchtype=author&query=Chaloner%2C+C">C. Chaloner</a>, <a href="/search/gr-qc?searchtype=author&query=Chwalla%2C+M">M. Chwalla</a>, <a href="/search/gr-qc?searchtype=author&query=Ertmer%2C+W">W. Ertmer</a>, <a href="/search/gr-qc?searchtype=author&query=Franz%2C+M">M. Franz</a>, <a href="/search/gr-qc?searchtype=author&query=Gaaloul%2C+N">N. Gaaloul</a>, <a href="/search/gr-qc?searchtype=author&query=Gehler%2C+M">M. Gehler</a>, <a href="/search/gr-qc?searchtype=author&query=Gerardi%2C+D">D. Gerardi</a>, <a href="/search/gr-qc?searchtype=author&query=Gesa%2C+L">L. Gesa</a>, <a href="/search/gr-qc?searchtype=author&query=G%C3%BCrlebeck%2C+N">N. G眉rlebeck</a>, <a href="/search/gr-qc?searchtype=author&query=Hartwig%2C+J">J. Hartwig</a>, <a href="/search/gr-qc?searchtype=author&query=Hauth%2C+M">M. Hauth</a>, <a href="/search/gr-qc?searchtype=author&query=Hellmig%2C+O">O. Hellmig</a>, <a href="/search/gr-qc?searchtype=author&query=Herr%2C+W">W. Herr</a>, <a href="/search/gr-qc?searchtype=author&query=Herrmann%2C+S">S. Herrmann</a>, <a href="/search/gr-qc?searchtype=author&query=Heske%2C+A">A. Heske</a> , et al. (41 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="1312.5980v2-abstract-short" style="display: inline;"> The theory of general relativity describes macroscopic phenomena driven by the influence of gravity while quantum mechanics brilliantly accounts for microscopic effects. Despite their tremendous individual success, a complete unification of fundamental interactions is missing and remains one of the most challenging and important quests in modern theoretical physics. The STE-QUEST satellite mission… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1312.5980v2-abstract-full').style.display = 'inline'; document.getElementById('1312.5980v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1312.5980v2-abstract-full" style="display: none;"> The theory of general relativity describes macroscopic phenomena driven by the influence of gravity while quantum mechanics brilliantly accounts for microscopic effects. Despite their tremendous individual success, a complete unification of fundamental interactions is missing and remains one of the most challenging and important quests in modern theoretical physics. The STE-QUEST satellite mission, proposed as a medium-size mission within the Cosmic Vision program of the European Space Agency (ESA), aims for testing general relativity with high precision in two experiments by performing a measurement of the gravitational redshift of the Sun and the Moon by comparing terrestrial clocks, and by performing a test of the Universality of Free Fall of matter waves in the gravitational field of Earth comparing the trajectory of two Bose-Einstein condensates of Rb85 and Rb87. The two ultracold atom clouds are monitored very precisely thanks to techniques of atom interferometry. This allows to reach down to an uncertainty in the E枚tv枚s parameter of at least 2x10E-15. In this paper, we report about the results of the phase A mission study of the atom interferometer instrument covering the description of the main payload elements, the atomic source concept, and the systematic error sources. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1312.5980v2-abstract-full').style.display = 'none'; document.getElementById('1312.5980v2-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> 14 April, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 December, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 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, 5 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/1009.2702">arXiv:1009.2702</a> <span> [<a href="https://arxiv.org/pdf/1009.2702">pdf</a>, <a href="https://arxiv.org/ps/1009.2702">ps</a>, <a href="https://arxiv.org/format/1009.2702">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> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-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/10.1007/s10714-011-1182-x">10.1007/s10714-011-1182-x <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> An Atomic Gravitational Wave Interferometric Sensor in Low Earth Orbit (AGIS-LEO) </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Hogan%2C+J+M">Jason M. Hogan</a>, <a href="/search/gr-qc?searchtype=author&query=Johnson%2C+D+M+S">David M. S. Johnson</a>, <a href="/search/gr-qc?searchtype=author&query=Dickerson%2C+S">Susannah Dickerson</a>, <a href="/search/gr-qc?searchtype=author&query=Kovachy%2C+T">Tim Kovachy</a>, <a href="/search/gr-qc?searchtype=author&query=Sugarbaker%2C+A">Alex Sugarbaker</a>, <a href="/search/gr-qc?searchtype=author&query=Chiow%2C+S">Sheng-wey Chiow</a>, <a href="/search/gr-qc?searchtype=author&query=Graham%2C+P+W">Peter W. Graham</a>, <a href="/search/gr-qc?searchtype=author&query=Kasevich%2C+M+A">Mark A. Kasevich</a>, <a href="/search/gr-qc?searchtype=author&query=Saif%2C+B">Babak Saif</a>, <a href="/search/gr-qc?searchtype=author&query=Rajendran%2C+S">Surjeet Rajendran</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">Philippe Bouyer</a>, <a href="/search/gr-qc?searchtype=author&query=Seery%2C+B+D">Bernard D. Seery</a>, <a href="/search/gr-qc?searchtype=author&query=Feinberg%2C+L">Lee Feinberg</a>, <a href="/search/gr-qc?searchtype=author&query=Keski-Kuha%2C+R">Ritva Keski-Kuha</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="1009.2702v1-abstract-short" style="display: inline;"> We propose an atom interferometer gravitational wave detector in low Earth orbit (AGIS-LEO). Gravitational waves can be observed by comparing a pair of atom interferometers separated over a ~30 km baseline. In the proposed configuration, one or three of these interferometer pairs are simultaneously operated through the use of two or three satellites in formation flight. The three satellite configu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.2702v1-abstract-full').style.display = 'inline'; document.getElementById('1009.2702v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1009.2702v1-abstract-full" style="display: none;"> We propose an atom interferometer gravitational wave detector in low Earth orbit (AGIS-LEO). Gravitational waves can be observed by comparing a pair of atom interferometers separated over a ~30 km baseline. In the proposed configuration, one or three of these interferometer pairs are simultaneously operated through the use of two or three satellites in formation flight. The three satellite configuration allows for the increased suppression of multiple noise sources and for the detection of stochastic gravitational wave signals. The mission will offer a strain sensitivity of < 10^(-18) / Hz^(1/2) in the 50 mHz - 10 Hz frequency range, providing access to a rich scientific region with substantial discovery potential. This band is not currently addressed with the LIGO or LISA instruments. We analyze systematic backgrounds that are relevant to the mission and discuss how they can be mitigated at the required levels. Some of these effects do not appear to have been considered previously in the context of atom interferometry, and we therefore expect that our analysis will be broadly relevant to atom interferometric precision measurements. Finally, we present a brief conceptual overview of shorter-baseline (< 100 m) atom interferometer configurations that could be deployed as proof-of-principle instruments on the International Space Station (AGIS-ISS) or an independent satellite. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.2702v1-abstract-full').style.display = 'none'; document.getElementById('1009.2702v1-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> 14 September, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2010. </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">37 pages, 21 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Gen.Rel.Grav.43:1953-2009,2011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0711.2007">arXiv:0711.2007</a> <span> [<a href="https://arxiv.org/pdf/0711.2007">pdf</a>, <a href="https://arxiv.org/ps/0711.2007">ps</a>, <a href="https://arxiv.org/format/0711.2007">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link 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/10.1007/s10686-008-9084-y">10.1007/s10686-008-9084-y <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Odyssey: a Solar System Mission </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Christophe%2C+B">B. Christophe</a>, <a href="/search/gr-qc?searchtype=author&query=Andersen%2C+P+H">P. H. Andersen</a>, <a href="/search/gr-qc?searchtype=author&query=Anderson%2C+J+D">J. D. Anderson</a>, <a href="/search/gr-qc?searchtype=author&query=Asmar%2C+S">S. Asmar</a>, <a href="/search/gr-qc?searchtype=author&query=B%C3%A9rio%2C+P">Ph. B茅rio</a>, <a href="/search/gr-qc?searchtype=author&query=Bertolami%2C+O">O. Bertolami</a>, <a href="/search/gr-qc?searchtype=author&query=Bingham%2C+R">R. Bingham</a>, <a href="/search/gr-qc?searchtype=author&query=Bondu%2C+F">F. Bondu</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">Ph. Bouyer</a>, <a href="/search/gr-qc?searchtype=author&query=Bremer%2C+S">S. Bremer</a>, <a href="/search/gr-qc?searchtype=author&query=Courty%2C+J+-">J. -M. Courty</a>, <a href="/search/gr-qc?searchtype=author&query=Dittus%2C+H">H. Dittus</a>, <a href="/search/gr-qc?searchtype=author&query=Foulon%2C+B">B. Foulon</a>, <a href="/search/gr-qc?searchtype=author&query=Gil%2C+P">P. Gil</a>, <a href="/search/gr-qc?searchtype=author&query=Johann%2C+U">U. Johann</a>, <a href="/search/gr-qc?searchtype=author&query=Jordan%2C+J+F">J. F. Jordan</a>, <a href="/search/gr-qc?searchtype=author&query=Kent%2C+B">B. Kent</a>, <a href="/search/gr-qc?searchtype=author&query=L%C3%A4mmerzahl%2C+C">C. L盲mmerzahl</a>, <a href="/search/gr-qc?searchtype=author&query=L%C3%A9vy%2C+A">A. L茅vy</a>, <a href="/search/gr-qc?searchtype=author&query=M%C3%A9tris%2C+G">G. M茅tris</a>, <a href="/search/gr-qc?searchtype=author&query=Olsen%2C+O">O. Olsen</a>, <a href="/search/gr-qc?searchtype=author&query=P%C3%A0ramos%2C+J">J. P脿ramos</a>, <a href="/search/gr-qc?searchtype=author&query=Prestage%2C+J+D">J. D. Prestage</a>, <a href="/search/gr-qc?searchtype=author&query=Progrebenko%2C+S+V">S. V. Progrebenko</a>, <a href="/search/gr-qc?searchtype=author&query=Rasel%2C+E">E. Rasel</a> , et al. (11 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="0711.2007v2-abstract-short" style="display: inline;"> The Solar System Odyssey mission uses modern-day high-precision experimental techniques to test the laws of fundamental physics which determine dynamics in the solar system. It could lead to major discoveries by using demonstrated technologies. The mission proposes to perform a set of precision gravitation experiments from the vicinity of Earth to the outer Solar System. Its scientific objective… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0711.2007v2-abstract-full').style.display = 'inline'; document.getElementById('0711.2007v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0711.2007v2-abstract-full" style="display: none;"> The Solar System Odyssey mission uses modern-day high-precision experimental techniques to test the laws of fundamental physics which determine dynamics in the solar system. It could lead to major discoveries by using demonstrated technologies. The mission proposes to perform a set of precision gravitation experiments from the vicinity of Earth to the outer Solar System. Its scientific objectives can be summarized as follows: i) test of the gravity force law in the Solar System up to and beyond the orbit of Saturn; ii) precise investigation of navigation anomalies at the fly-bys; iii) measurement of Eddington's parameter at occultations; iv) mapping of gravity field in the outer solar system and study of the Kuiper belt. To this aim, the Odyssey mission is built up on a main spacecraft, designed to fly up to 13 AU, with the following components: a) a high-precision accelerometer, with bias-rejection system, measuring the deviation of the trajectory from the geodesics; b) Ka-band transponders, as for Cassini, for a precise range and Doppler measurement up to 13 AU, with additional VLBI equipment; c) optional laser equipment, which would allow one to improve the range and Doppler measurement. In this baseline concept, the main spacecraft is designed to operate beyond the Saturn orbit, up to 13 AU. It experiences multiple planetary fly-bys at Earth, Mars or Venus, and Jupiter. The cruise and fly-by phases allow the mission to achieve its baseline scientific objectives (i) to iii) in the above list). In addition to this baseline concept, the Odyssey mission proposes the release of the Enigma radio-beacon at Saturn, allowing one to extend the deep space gravity test up to at least 50 AU, while achieving the scientific objective of a mapping of gravity field in the outer Solar System. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0711.2007v2-abstract-full').style.display = 'none'; document.getElementById('0711.2007v2-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> 18 January, 2008; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 November, 2007; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2007. </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">revision with Experimental Astronomy Referee comments, correction of typographic errors, add of bibliographic reference, modification of authors list,</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Exper.Astron.23:529-547,2009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0711.0304">arXiv:0711.0304</a> <span> [<a href="https://arxiv.org/pdf/0711.0304">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Astrophysics">astro-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-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/10.1007/s10686-008-9118-5">10.1007/s10686-008-9118-5 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Quantum Physics Exploring Gravity in the Outer Solar System: The Sagas Project </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=Wolf%2C+P">P. Wolf</a>, <a href="/search/gr-qc?searchtype=author&query=Bord%C3%A9%2C+C+J">Ch. J. Bord茅</a>, <a href="/search/gr-qc?searchtype=author&query=Clairon%2C+A">A. Clairon</a>, <a href="/search/gr-qc?searchtype=author&query=Duchayne%2C+L">L. Duchayne</a>, <a href="/search/gr-qc?searchtype=author&query=Landragin%2C+A">A. Landragin</a>, <a href="/search/gr-qc?searchtype=author&query=Lemonde%2C+P">P. Lemonde</a>, <a href="/search/gr-qc?searchtype=author&query=Santarelli%2C+G">G. Santarelli</a>, <a href="/search/gr-qc?searchtype=author&query=Ertmer%2C+W">W. Ertmer</a>, <a href="/search/gr-qc?searchtype=author&query=Rasel%2C+E">E. Rasel</a>, <a href="/search/gr-qc?searchtype=author&query=Cataliotti%2C+F+S">F. S. Cataliotti</a>, <a href="/search/gr-qc?searchtype=author&query=Inguscio%2C+M">M. Inguscio</a>, <a href="/search/gr-qc?searchtype=author&query=Tino%2C+G+M">G. M. Tino</a>, <a href="/search/gr-qc?searchtype=author&query=Gill%2C+P">P. Gill</a>, <a href="/search/gr-qc?searchtype=author&query=Klein%2C+H">H. Klein</a>, <a href="/search/gr-qc?searchtype=author&query=Reynaud%2C+S">S. Reynaud</a>, <a href="/search/gr-qc?searchtype=author&query=Salomon%2C+C">C. Salomon</a>, <a href="/search/gr-qc?searchtype=author&query=Peik%2C+E">E. Peik</a>, <a href="/search/gr-qc?searchtype=author&query=Bertolami%2C+O">O. Bertolami</a>, <a href="/search/gr-qc?searchtype=author&query=Gil%2C+P">P. Gil</a>, <a href="/search/gr-qc?searchtype=author&query=P%C3%A1ramos%2C+J">J. P谩ramos</a>, <a href="/search/gr-qc?searchtype=author&query=Jentsch%2C+C">C. Jentsch</a>, <a href="/search/gr-qc?searchtype=author&query=Johann%2C+U">U. Johann</a>, <a href="/search/gr-qc?searchtype=author&query=Rathke%2C+A">A. Rathke</a>, <a href="/search/gr-qc?searchtype=author&query=Bouyer%2C+P">P. Bouyer</a>, <a href="/search/gr-qc?searchtype=author&query=Cacciapuoti%2C+L">L. Cacciapuoti</a> , et al. (30 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="0711.0304v5-abstract-short" style="display: inline;"> We summarise the scientific and technological aspects of the SAGAS (Search for Anomalous Gravitation using Atomic Sensors) project, submitted to ESA in June 2007 in response to the Cosmic Vision 2015-2025 call for proposals. The proposed mission aims at flying highly sensitive atomic sensors (optical clock, cold atom accelerometer, optical link) on a Solar System escape trajectory in the 2020 to… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0711.0304v5-abstract-full').style.display = 'inline'; document.getElementById('0711.0304v5-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0711.0304v5-abstract-full" style="display: none;"> We summarise the scientific and technological aspects of the SAGAS (Search for Anomalous Gravitation using Atomic Sensors) project, submitted to ESA in June 2007 in response to the Cosmic Vision 2015-2025 call for proposals. The proposed mission aims at flying highly sensitive atomic sensors (optical clock, cold atom accelerometer, optical link) on a Solar System escape trajectory in the 2020 to 2030 time-frame. SAGAS has numerous science objectives in fundamental physics and Solar System science, for example numerous tests of general relativity and the exploration of the Kuiper belt. The combination of highly sensitive atomic sensors and of the laser link well adapted for large distances will allow measurements with unprecedented accuracy and on scales never reached before. We present the proposed mission in some detail, with particular emphasis on the science goals and associated measurements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0711.0304v5-abstract-full').style.display = 'none'; document.getElementById('0711.0304v5-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> 12 August, 2008; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 2 November, 2007; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2007. </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">39 pages. Submitted in abridged version to Experimental Astronomy</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Exper.Astron.23:651-687,2009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/gr-qc/0506139">arXiv:gr-qc/0506139</a> <span> [<a href="https://arxiv.org/pdf/gr-qc/0506139">pdf</a>, <a href="https://arxiv.org/ps/gr-qc/0506139">ps</a>, <a href="https://arxiv.org/format/gr-qc/0506139">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> </div> </div> <p class="title is-5 mathjax"> A Mission to Explore the Pioneer Anomaly </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=The+Pioneer+Explorer+Collaboration"> The Pioneer Explorer Collaboration</a>, <a href="/search/gr-qc?searchtype=author&query=Dittus%2C+H">H. Dittus</a>, <a href="/search/gr-qc?searchtype=author&query=Turyshev%2C+S+G">S. G. Turyshev</a>, <a href="/search/gr-qc?searchtype=author&query=L%C3%A4mmerzahl%2C+C">C. L盲mmerzahl</a>, <a href="/search/gr-qc?searchtype=author&query=Theil%2C+S">S. Theil</a>, <a href="/search/gr-qc?searchtype=author&query=Foerstner%2C+R">R. Foerstner</a>, <a href="/search/gr-qc?searchtype=author&query=Johann%2C+U">U. Johann</a>, <a href="/search/gr-qc?searchtype=author&query=Ertmer%2C+W">W. Ertmer</a>, <a href="/search/gr-qc?searchtype=author&query=Rasel%2C+E">E. Rasel</a>, <a href="/search/gr-qc?searchtype=author&query=Dachwald%2C+B">B. Dachwald</a>, <a href="/search/gr-qc?searchtype=author&query=Seboldt%2C+W">W. Seboldt</a>, <a href="/search/gr-qc?searchtype=author&query=Hehl%2C+F+W">F. W. Hehl</a>, <a href="/search/gr-qc?searchtype=author&query=Kiefer%2C+C">C. Kiefer</a>, <a href="/search/gr-qc?searchtype=author&query=Blome%2C+H+-">H. -J. Blome</a>, <a href="/search/gr-qc?searchtype=author&query=Kunz%2C+J">J. Kunz</a>, <a href="/search/gr-qc?searchtype=author&query=Giulini%2C+D">D. Giulini</a>, <a href="/search/gr-qc?searchtype=author&query=Bingham%2C+R">R. Bingham</a>, <a href="/search/gr-qc?searchtype=author&query=Kent%2C+B">B. Kent</a>, <a href="/search/gr-qc?searchtype=author&query=Sumner%2C+T+J">T. J. Sumner</a>, <a href="/search/gr-qc?searchtype=author&query=Bertolami%2C+O">O. Bertolami</a>, <a href="/search/gr-qc?searchtype=author&query=P%C3%A1ramos%2C+J">J. P谩ramos</a>, <a href="/search/gr-qc?searchtype=author&query=Rosales%2C+J+L">J. L. Rosales</a>, <a href="/search/gr-qc?searchtype=author&query=Christophe%2C+B">B. Christophe</a>, <a href="/search/gr-qc?searchtype=author&query=Foulon%2C+B">B. Foulon</a>, <a href="/search/gr-qc?searchtype=author&query=Touboul%2C+P">P. Touboul</a> , et al. (15 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="gr-qc/0506139v1-abstract-short" style="display: inline;"> The Pioneer 10 and 11 spacecraft yielded the most precise navigation in deep space to date. These spacecraft had exceptional acceleration sensitivity. However, analysis of their radio-metric tracking data has consistently indicated that at heliocentric distances of $\sim 20-70$ astronomical units, the orbit determinations indicated the presence of a small, anomalous, Doppler frequency drift. The… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('gr-qc/0506139v1-abstract-full').style.display = 'inline'; document.getElementById('gr-qc/0506139v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="gr-qc/0506139v1-abstract-full" style="display: none;"> The Pioneer 10 and 11 spacecraft yielded the most precise navigation in deep space to date. These spacecraft had exceptional acceleration sensitivity. However, analysis of their radio-metric tracking data has consistently indicated that at heliocentric distances of $\sim 20-70$ astronomical units, the orbit determinations indicated the presence of a small, anomalous, Doppler frequency drift. The drift is a blue-shift, uniformly changing with a rate of $\sim(5.99 \pm 0.01)\times 10^{-9}$ Hz/s, which can be interpreted as a constant sunward acceleration of each particular spacecraft of $a_P = (8.74 \pm 1.33)\times 10^{-10} {\rm m/s^2}$. This signal has become known as the Pioneer anomaly. The inability to explain the anomalous behavior of the Pioneers with conventional physics has contributed to growing discussion about its origin. There is now an increasing number of proposals that attempt to explain the anomaly outside conventional physics. This progress emphasizes the need for a new experiment to explore the detected signal. Furthermore, the recent extensive efforts led to the conclusion that only a dedicated experiment could ultimately determine the nature of the found signal. We discuss the Pioneer anomaly and present the next steps towards an understanding of its origin. We specifically focus on the development of a mission to explore the Pioneer Anomaly in a dedicated experiment conducted in deep space. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('gr-qc/0506139v1-abstract-full').style.display = 'none'; document.getElementById('gr-qc/0506139v1-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 June, 2005; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2005. </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">8 pages, 9 figures; invited talk given at the 2005 ESLAB Symposium "Trends in Space Science and Cosmic Vision 2020", 19-21 April 2005, ESTEC, Noordwijk, The Netherlands</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> LA-UR-05-4907 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> ESA Spec.Publ. 588 (2005) 3-10 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/gr-qc/0506104">arXiv:gr-qc/0506104</a> <span> [<a href="https://arxiv.org/pdf/gr-qc/0506104">pdf</a>, <a href="https://arxiv.org/ps/gr-qc/0506104">ps</a>, <a href="https://arxiv.org/format/gr-qc/0506104">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> </div> </div> <p class="title is-5 mathjax"> Fundamental Physics with the Laser Astrometric Test Of Relativity </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/gr-qc?searchtype=author&query=LATOR+Collaboration"> LATOR Collaboration</a>, <a href="/search/gr-qc?searchtype=author&query=Turyshev%2C+S+G">S. G. Turyshev</a>, <a href="/search/gr-qc?searchtype=author&query=Dittus%2C+H">H. Dittus</a>, <a href="/search/gr-qc?searchtype=author&query=Shao%2C+M">M. Shao</a>, <a href="/search/gr-qc?searchtype=author&query=Nordtvedt%2C%2C+K+L">K. L. Nordtvedt, Jr.</a>, <a href="/search/gr-qc?searchtype=author&query=Laemmerzahl%2C+C">C. Laemmerzahl</a>, <a href="/search/gr-qc?searchtype=author&query=Theil%2C+S">S. Theil</a>, <a href="/search/gr-qc?searchtype=author&query=Ertmer%2C+W">W. Ertmer</a>, <a href="/search/gr-qc?searchtype=author&query=Rasel%2C+E">E. Rasel</a>, <a href="/search/gr-qc?searchtype=author&query=Foerstner%2C+R">R. Foerstner</a>, <a href="/search/gr-qc?searchtype=author&query=Johann%2C+U">U. Johann</a>, <a href="/search/gr-qc?searchtype=author&query=Klioner%2C+S">S. Klioner</a>, <a href="/search/gr-qc?searchtype=author&query=Soffel%2C+M">M. Soffel</a>, <a href="/search/gr-qc?searchtype=author&query=Dachwald%2C+B">B. Dachwald</a>, <a href="/search/gr-qc?searchtype=author&query=Seboldt%2C+W">W. Seboldt</a>, <a href="/search/gr-qc?searchtype=author&query=Perlick%2C+V">V. Perlick</a>, <a href="/search/gr-qc?searchtype=author&query=Sandford%2C+M+C+W">M. C. W. Sandford</a>, <a href="/search/gr-qc?searchtype=author&query=Bingham%2C+R">R. Bingham</a>, <a href="/search/gr-qc?searchtype=author&query=Kent%2C+B">B. Kent</a>, <a href="/search/gr-qc?searchtype=author&query=Sumner%2C+T+J">T. J. Sumner</a>, <a href="/search/gr-qc?searchtype=author&query=Bertolami%2C+O">O. Bertolami</a>, <a href="/search/gr-qc?searchtype=author&query=Paramos%2C+J">J. Paramos</a>, <a href="/search/gr-qc?searchtype=author&query=Christophe%2C+B">B. Christophe</a>, <a href="/search/gr-qc?searchtype=author&query=Foulon%2C+B">B. Foulon</a>, <a href="/search/gr-qc?searchtype=author&query=Touboul%2C+P">P. Touboul</a> , et al. (15 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="gr-qc/0506104v3-abstract-short" style="display: inline;"> The Laser Astrometric Test Of Relativity (LATOR) is a joint European-U.S. Michelson-Morley-type experiment designed to test the pure tensor metric nature of gravitation - a fundamental postulate of Einstein's theory of general relativity. By using a combination of independent time-series of highly accurate gravitational deflection of light in the immediate proximity to the Sun, along with measur… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('gr-qc/0506104v3-abstract-full').style.display = 'inline'; document.getElementById('gr-qc/0506104v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="gr-qc/0506104v3-abstract-full" style="display: none;"> The Laser Astrometric Test Of Relativity (LATOR) is a joint European-U.S. Michelson-Morley-type experiment designed to test the pure tensor metric nature of gravitation - a fundamental postulate of Einstein's theory of general relativity. By using a combination of independent time-series of highly accurate gravitational deflection of light in the immediate proximity to the Sun, along with measurements of the Shapiro time delay on interplanetary scales (to a precision respectively better than 0.1 picoradians and 1 cm), LATOR will significantly improve our knowledge of relativistic gravity. The primary mission objective is to i) measure the key post-Newtonian Eddington parameter 纬with accuracy of a part in 10^9. (1-纬) is a direct measure for presence of a new interaction in gravitational theory, and, in its search, LATOR goes a factor 30,000 beyond the present best result, Cassini's 2003 test. The mission will also provide: ii) first measurement of gravity's non-linear effects on light to ~0.01% accuracy; including both the Eddington 尾parameter and also the spatial metric's 2nd order potential contribution (never measured before); iii) direct measurement of the solar quadrupole moment J2 (currently unavailable) to accuracy of a part in 200 of its expected size; iv) direct measurement of the "frame-dragging" effect on light by the Sun's gravitomagnetic field, to 1% accuracy. LATOR's primary measurement pushes to unprecedented accuracy the search for cosmologically relevant scalar-tensor theories of gravity by looking for a remnant scalar field in today's solar system. We discuss the mission design of this proposed experiment. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('gr-qc/0506104v3-abstract-full').style.display = 'none'; document.getElementById('gr-qc/0506104v3-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> 21 July, 2005; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 June, 2005; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2005. </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">8 pages, 9 figures; invited talk given at the 2005 ESLAB Symposium "Trends in Space Science and Cosmic Vision 2020," 19-21 April 2005, ESTEC, Noodrwijk, The Netherlands</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> ESA Spec.Publ. 588 (2005) 11-18 </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 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