Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevLett.102.130604
Title: Steering bose-einstein condensates despite time symmetry
Authors: Poletti, D.
Benenti, G.
Casati, G.
Hänggi, P. 
Li, B. 
Issue Date: 30-Mar-2009
Citation: Poletti, D., Benenti, G., Casati, G., Hänggi, P., Li, B. (2009-03-30). Steering bose-einstein condensates despite time symmetry. Physical Review Letters 102 (13) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.102.130604
Abstract: A Bose-Einstein condensate in an oscillating spatially asymmetric potential is shown to exhibit a directed current for unbiased initial conditions despite time symmetry. This phenomenon occurs only if the interaction between atoms, treated in mean-field approximation, exceeds a critical value. Our findings can be described with a three-mode model. These three-mode model results corroborate well with a many-body study over a time scale which increases with increasing atom number. The duration of this time scale probes the validity of the used mean-field approximation. © 2009 The American Physical Society.
Source Title: Physical Review Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/98022
ISSN: 00319007
DOI: 10.1103/PhysRevLett.102.130604
Appears in Collections:Staff Publications

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