Steering Bose-Einstein condensates despite time symmetry

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dc.creatorPoletti, Dario
dc.creatorBenenti, Giuliano
dc.creatorCasati, Giulio
dc.creatorHanggi, Peter
dc.creatorLi, Baowen
dc.date2008-11-20
dc.date2009-02-16
dc.date.accessioned2026-07-07T12:59:47Z
dc.date.available2026-07-07T12:59:47Z
dc.descriptionA 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 (TMM). These TMM 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.
dc.description4 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/0811.3340
dc.identifierhttp://arxiv.org/abs/0811.3340
dc.identifierPhys. Rev. Lett. 102, 130604 (2009)
dc.identifierdoi:10.1103/PhysRevLett.102.130604
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/225680
dc.subjectAtomic Physics
dc.titleSteering Bose-Einstein condensates despite time symmetry
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