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Title: Dissipationless directed transport in rocked single-band quantum dynamics
Authors: Gong, J. 
Poletti, D.
Hanggi, P. 
Issue Date: 7-Mar-2007
Citation: Gong, J., Poletti, D., Hanggi, P. (2007-03-07). Dissipationless directed transport in rocked single-band quantum dynamics. Physical Review A - Atomic, Molecular, and Optical Physics 75 (3) : -. ScholarBank@NUS Repository.
Abstract: Using matter waves that are trapped in a deep optical lattice, dissipationless directed transport is demonstrated to occur if the single-band quantum dynamics is periodically tilted on one half of the lattice by a monochromatic field. Most importantly, the directed transport can exist for almost all system parameters, even after averaged over a broad range of single-band initial states. The directed transport is theoretically explained within ac-scattering theory. Total reflection phenomena associated with the matter waves traveling from a tilting-free region to a tilted region are emphasized. The results are of relevance to ultracold physics and solid-state physics, and may lead to powerful means of selective, coherent, and directed transport of cold particles in optical lattices. © 2007 The American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
ISSN: 10502947
DOI: 10.1103/PhysRevA.75.033602
Appears in Collections:Staff Publications

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