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Title: Controlling the ratchet effect for cold atoms
Authors: Kenfack, A.
Gong, J. 
Pattanayak, A.K.
Issue Date: 31-Jan-2008
Citation: Kenfack, A., Gong, J., Pattanayak, A.K. (2008-01-31). Controlling the ratchet effect for cold atoms. Physical Review Letters 100 (4) : -. ScholarBank@NUS Repository.
Abstract: Low-order quantum resonances manifested by directed currents have been realized with cold atoms. Here we show that by increasing the strength of an experimentally achievable delta-kicking ratchet potential, quantum resonances of a very high order may naturally emerge and can induce larger ratchet currents than low-order resonances, with the underlying classical limit being fully chaotic. The results offer a means of controlling quantum transport of cold atoms. © 2008 The American Physical Society.
Source Title: Physical Review Letters
ISSN: 00319007
DOI: 10.1103/PhysRevLett.100.044104
Appears in Collections:Staff Publications

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