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  Decay of a Bose-Einstein condensate in a dissipative lattice - the mean-field approximation and beyond

Trimborn, F., Witthaut, D., Hennig, H., Kordas, G., Geisel, T., & Wimberger, S. (2011). Decay of a Bose-Einstein condensate in a dissipative lattice - the mean-field approximation and beyond. The European Physical Journal D, 63, 63-71. doi:10.1140/epjd/e2011-10702-7.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-119D-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-119E-1
Genre: Journal Article

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 Creators:
Trimborn, Friederike1, Author
Witthaut, Dirk2, Author              
Hennig, Holger3, Author              
Kordas, Georgios, Author
Geisel, Theo3, Author              
Wimberger, Sandro, Author
Affiliations:
1Max Planck Society, ou_persistent13              
2Max Planck Research Group Network Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063295              
3Department of Nonlinear Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063286              

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 Abstract: 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.

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Language(s): eng - English
 Dates: 2011-06-17
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 585317
DOI: 10.1140/epjd/e2011-10702-7
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Title: The European Physical Journal D
Source Genre: Journal
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Pages: - Volume / Issue: 63 Sequence Number: - Start / End Page: 63 - 71 Identifier: -