dorsal/arxiv
View SchemaObservation of high-order quantum resonances in the kicked rotor
| Authors | J. F. Kanem, S. Maneshi, M. Partlow, M. Spanner, A. M. Steinberg |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0604110 |
| URL | https://arxiv.org/abs/quant-ph/0604110 |
| DOI | 10.1103/PhysRevLett.98.083004 |
| Journal | Phys.Rev.Lett. 98, 083004 (2007) |
Abstract
Quantum resonances in the kicked rotor are characterized by a dramatically increased energy absorption rate, in stark contrast to the momentum localization generally observed. These resonances occur when the scaled Planck's constant hbar=(r/s)*4pi, for any integers r and s. However only the hbar=r*2pi resonances are easily observable. We have observed high-order quantum resonances (s>2) utilizing a sample of low temperature, non-condensed atoms and a pulsed optical standing wave. Resonances are observed for hbar=(r/16)*4pi r=2-6. Quantum numerical simulations suggest that our observation of high-order resonances indicates a larger coherence length than expected from an initially thermal atomic sample.
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"abstract": "Quantum resonances in the kicked rotor are characterized by a dramatically\nincreased energy absorption rate, in stark contrast to the momentum\nlocalization generally observed. These resonances occur when the scaled\nPlanck\u0027s constant hbar=(r/s)*4pi, for any integers r and s. However only the\nhbar=r*2pi resonances are easily observable. We have observed high-order\nquantum resonances (s\u003e2) utilizing a sample of low temperature, non-condensed\natoms and a pulsed optical standing wave. Resonances are observed for\nhbar=(r/16)*4pi r=2-6. Quantum numerical simulations suggest that our\nobservation of high-order resonances indicates a larger coherence length than\nexpected from an initially thermal atomic sample.",
"arxiv_id": "quant-ph/0604110",
"authors": [
"J. F. Kanem",
"S. Maneshi",
"M. Partlow",
"M. Spanner",
"A. M. Steinberg"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevLett.98.083004",
"journal_ref": "Phys.Rev.Lett. 98, 083004 (2007)",
"title": "Observation of high-order quantum resonances in the kicked rotor",
"url": "https://arxiv.org/abs/quant-ph/0604110"
},
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