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Manifestation of quantum resonances and antiresonances in a finite temperature dilute atomic gas

Saunders, M.; Halkyard, P.L.; Challis, K.J.; Gardiner, S.A.

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Authors

M. Saunders

P.L. Halkyard

K.J. Challis



Abstract

We investigate the effect of temperature on resonant and antiresonant dynamics in a dilute atomic gas kicked periodically by a standing-wave laser field. Our numerical calculations are based on a Monte Carlo method for an incoherent mixture of noninteracting plane waves, and show that the atomic dynamics are highly sensitive to the initial momentum width of the gas. We explain this sensitivity by examining the time evolution of individual atomic center-of-mass momentum eigenstates with varying quasimomentum, and we determine analytic expressions for the evolution of the second-order momentum moment to illustrate the range of behaviors.

Citation

Saunders, M., Halkyard, P., Challis, K., & Gardiner, S. (2007). Manifestation of quantum resonances and antiresonances in a finite temperature dilute atomic gas. Physical Review A, 76(4), https://doi.org/10.1103/physreva.76.043415

Journal Article Type Article
Publication Date Oct 1, 2007
Deposit Date Jun 30, 2010
Publicly Available Date Jul 1, 2010
Journal Physical Review A - Atomic, Molecular, and Optical Physics
Print ISSN 1050-2947
Electronic ISSN 1094-1622
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 76
Issue 4
DOI https://doi.org/10.1103/physreva.76.043415
Public URL https://durham-repository.worktribe.com/output/1570119
Publisher URL http://link.aps.org/abstract/PRA/v76/e043415

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Copyright Statement
© 2007 by The American Physical Society. All rights reserved.






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