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          Institute: MPI für Dynamik und Selbstorganisation     Collection: Nichtlineare Dynamik     Display Documents



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ID: 585317.0, MPI für Dynamik und Selbstorganisation / Nichtlineare Dynamik
Decay of a Bose-Einstein condensate in a dissipative lattice - the mean-field approximation and beyond
Authors:Trimborn, Friederike; Witthaut, Dirk; Hennig, Holger; Kordas, Georgios; Geisel, Theo; Wimberger, Sandro
Language:English
Date of Publication (YYYY-MM-DD):2011-06-17
Title of Journal:The European Physical Journal D
Volume:63
Start Page:63
End Page:71
Review Status:not specified
Audience:Experts Only
Abstract / Description:The dynamical evolution of a Bose-Einstein condensate in an open optical lattice is studied. Based on the Bose-Hubbard model we rederive the mean-field limit for the case of an environmental coupling including dissipation and phase-noise. Moreover, we include the next order correlation functions to investigate the dynamical behavior beyond mean field.We observe that particle loss can lead to surprising dynamics, as it can suppress decay and at the same time restore the coherence of the condensate. These behavior can be used to engineer the evolution, e.g. in the form of a stochastic resonance-like response, to inhibit tunneling or to create stable nonlinear structures of the condensate.
External Publication Status:published
Document Type:Article
Version Comment:Automatic journal name synchronization
Communicated by:Folkert Müller-Hoissen
Affiliations:MPI für Dynamik und Selbstorganisation/Nichtlineare Dynamik
Identifiers:DOI:http://dx.doi.org/10.1140/epjd/e2011-10702-7
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