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Resonant activation in a nonadiabatically driven optical lattice

Gommers, R.; Douglas, P.; Bergamini, S.; Goonasekera, M.; Jones, P. and Renzoni, F. (2005). Resonant activation in a nonadiabatically driven optical lattice. Physical Review Letters, 94(14) 143001-1-143001-4.

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We demonstrate the phenomenon of resonant activation in a nonadiabatically driven dissipative optical lattice with broken time symmetry. The resonant activation results in a resonance as a function of the driving frequency in the current of atoms through the periodic potential. We demonstrate that the resonance is produced by the interplay between deterministic driving and fluctuations, and we also show that by changing the frequency of the driving it is possible to control the direction of the diffusion.

Item Type: Journal Article
Copyright Holders: 2005 The American Physical Society
ISSN: 1079-7114
Academic Unit/Department: Science > Physical Sciences
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
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Item ID: 6795
Depositing User: Silvia Bergamini
Date Deposited: 13 Feb 2007
Last Modified: 29 Mar 2012 15:50
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