Journal article 278 views
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...
| Published in: | Physical Review Letters |
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| Published: |
2009
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa7817 |
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| 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. 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. |
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| Keywords: |
quantum chaos, atom interferometer |
| College: |
Faculty of Science and Engineering |
| Start Page: |
034101 |