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Dynamic stability of dressed condensate mixtures

Dynamic stability of dressed condensate mixtures
Dynamic stability of dressed condensate mixtures
We analyze the dynamical stability of common spatial, or breathe-together, modes for a system of two trapped interacting Bose-Einstein condensates, when the condensates are resonantly coupled by a strong driving field. We show analytically that the dynamical stability is governed by a set of dressed atom collision parameters, and that the driving field typically destabilizes breathe-together modes which are stable in the absence of driving and vice versa. By means of numerical solutions we illustrate the consequences of this phenomenon for a number of interacting condensates consisting of pairs of ground hyperfine states of both sodium and rubidium
1050-2947
053607-[8pp]
Jenkins, S.D.
65d861fb-b85a-4927-805a-7c906fca26c6
Kennedy, T.A.B.
68040c42-1663-4a03-87f0-b09045cf5357
Jenkins, S.D.
65d861fb-b85a-4927-805a-7c906fca26c6
Kennedy, T.A.B.
68040c42-1663-4a03-87f0-b09045cf5357

Jenkins, S.D. and Kennedy, T.A.B. (2003) Dynamic stability of dressed condensate mixtures. Physical Review A, 68 (5), 053607-[8pp]. (doi:10.1103/PhysRevA.68.053607).

Record type: Article

Abstract

We analyze the dynamical stability of common spatial, or breathe-together, modes for a system of two trapped interacting Bose-Einstein condensates, when the condensates are resonantly coupled by a strong driving field. We show analytically that the dynamical stability is governed by a set of dressed atom collision parameters, and that the driving field typically destabilizes breathe-together modes which are stable in the absence of driving and vice versa. By means of numerical solutions we illustrate the consequences of this phenomenon for a number of interacting condensates consisting of pairs of ground hyperfine states of both sodium and rubidium

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Published date: November 2003

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Local EPrints ID: 176277
URI: http://eprints.soton.ac.uk/id/eprint/176277
ISSN: 1050-2947
PURE UUID: c08321c8-ccdc-4ead-be9e-30e7d832a751

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Date deposited: 07 Mar 2011 15:06
Last modified: 08 Jan 2022 14:35

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Contributors

Author: S.D. Jenkins
Author: T.A.B. Kennedy

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