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Observation of Saturation of Fidelity Decay with an Atom Interferometer

Wu Saijun, Alexey Tonyushkin, Mara Prentiss, Saijun Wu

Physical Review Letters, Volume: 103, Start page: 034101

Swansea University Author: Saijun Wu

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DOI (Published version): 10.1103/PhysRevLett.103.034101

Abstract

The interplay of classical chaos and quantum stability is a long-standing research topic of both fundamental and practical importance. This work identify the link between "matterwave dephasing in an interferometer" with "displacement Loschmidt echo" in quantum chaos measures. Exp...

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Published in: Physical Review Letters
Published: 2009
URI: https://cronfa.swan.ac.uk/Record/cronfa7817
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first_indexed 2013-07-23T11:59:29Z
last_indexed 2018-02-09T04:36:26Z
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spelling 2013-09-20T10:13:41.0518471 v2 7817 2012-02-23 Observation of Saturation of Fidelity Decay with an Atom Interferometer 0811be6659e6e230eea38cc05729f06a Saijun Wu Saijun Wu true false 2012-02-23 FGSEN The interplay of classical chaos and quantum stability is a long-standing research topic of both fundamental and practical importance. This work identify the link between "matterwave dephasing in an interferometer" with "displacement Loschmidt echo" in quantum chaos measures. Experimentally it implements a classically-chaotic potential (a periodically kicked rotor) to a state-of-art "Guided atom interferometer", and experimentally demonstrate an non-trivial mathematical relationship between a perturbation strength and a persistent coherence. Journal Article Physical Review Letters 103 034101 quantum chaos, atom interferometer 31 12 2009 2009-12-31 10.1103/PhysRevLett.103.034101 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2013-09-20T10:13:41.0518471 2012-02-23T17:02:18.0000000 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Wu Saijun 1 Alexey Tonyushkin 2 Mara Prentiss 3 Saijun Wu 4
title Observation of Saturation of Fidelity Decay with an Atom Interferometer
spellingShingle Observation of Saturation of Fidelity Decay with an Atom Interferometer
Saijun Wu
title_short Observation of Saturation of Fidelity Decay with an Atom Interferometer
title_full Observation of Saturation of Fidelity Decay with an Atom Interferometer
title_fullStr Observation of Saturation of Fidelity Decay with an Atom Interferometer
title_full_unstemmed Observation of Saturation of Fidelity Decay with an Atom Interferometer
title_sort Observation of Saturation of Fidelity Decay with an Atom Interferometer
author_id_str_mv 0811be6659e6e230eea38cc05729f06a
author_id_fullname_str_mv 0811be6659e6e230eea38cc05729f06a_***_Saijun Wu
author Saijun Wu
author2 Wu Saijun
Alexey Tonyushkin
Mara Prentiss
Saijun Wu
format Journal article
container_title Physical Review Letters
container_volume 103
container_start_page 034101
publishDate 2009
institution Swansea University
doi_str_mv 10.1103/PhysRevLett.103.034101
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
document_store_str 0
active_str 0
description The interplay of classical chaos and quantum stability is a long-standing research topic of both fundamental and practical importance. This work identify the link between "matterwave dephasing in an interferometer" with "displacement Loschmidt echo" in quantum chaos measures. Experimentally it implements a classically-chaotic potential (a periodically kicked rotor) to a state-of-art "Guided atom interferometer", and experimentally demonstrate an non-trivial mathematical relationship between a perturbation strength and a persistent coherence.
published_date 2009-12-31T03:09:46Z
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score 11.017731

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