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|Title:||Steering bose-einstein condensates despite time symmetry||Authors:||Poletti, D.
|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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