Non-diffusive phase spreading of a Bose-Einstein condensate at finite temperature

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dc.creatorSinatra, Alice
dc.creatorCastin, Yvan
dc.creatorWitkowska, Emilia
dc.date2006-10-23
dc.date2007-01-18
dc.date.accessioned2026-07-07T07:53:44Z
dc.date.available2026-07-07T07:53:44Z
dc.descriptionWe show that the phase of a condensate in a finite temperature gas spreads linearly in time at long times rather than in a diffusive way. This result is supported by classical field simulations, and analytical calculations which are generalized to the quantum case under the assumption of quantum ergodicity in the system. This super-diffusive behavior is intimately related to conservation of energy during the free evolution of the system and to fluctuations of energy in the prepared initial state.
dc.description16 pages, 7 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0610644
dc.identifierhttp://arxiv.org/abs/cond-mat/0610644
dc.identifierPhysical Review A 75 (26/03/2007) 0033616
dc.identifierdoi:10.1103/PhysRevA.75.033616
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/126336
dc.subjectOther Condensed Matter
dc.titleNon-diffusive phase spreading of a Bose-Einstein condensate at finite temperature
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