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Coherence and instability in a driven Bose–Einstein condensate: a fully dynamical number-conserving approach

Billam, T.P.; Gardiner, S.A.

Authors

T.P. Billam



Abstract

We consider a Bose–Einstein condensate driven by periodic delta-kicks. In contrast to first-order descriptions, which predict rapid, unbounded growth of the noncondensate in resonant parameter regimes, the consistent treatment of condensate depletion in our fully time-dependent, second-order description acts to damp this growth, leading to oscillations in the (non)condensate population and the coherence of the system.

Citation

Billam, T., & Gardiner, S. (2012). Coherence and instability in a driven Bose–Einstein condensate: a fully dynamical number-conserving approach. New Journal of Physics, 14, Article 013038. https://doi.org/10.1088/1367-2630/14/1/013038

Journal Article Type Article
Publication Date Jan 20, 2012
Deposit Date Jan 26, 2012
Publicly Available Date Sep 15, 2015
Journal New Journal of Physics
Electronic ISSN 1367-2630
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 14
Article Number 013038
DOI https://doi.org/10.1088/1367-2630/14/1/013038
Public URL https://durham-repository.worktribe.com/output/1528815

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