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Tunnelling-induced Collapse of an Atomic Bose-Einstein Condensate in a Double-well Potential

Lookup NU author(s): Professor Nikolaos ProukakisORCiD


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The stability of a low-temperature Bose–Einstein condensate with attractive interactions in one- and three-dimensional double-well potentials is discussed. In particular, the tunnelling dynamics of a condensate under the influence of a time-dependent potential gradient is investigated. The condensate is shown to collapse at a critical potential gradient which corresponds to a critical number of atoms in one of the two wells. The sensitivity of this tunnelling-induced collapse could provide a useful tool in the study of condensates with attractive interactions.

Publication metadata

Author(s): Sakellari E, Proukakis NP, Adams CS

Publication type: Article

Publication status: Published

Journal: Journal of Physics B: Atomic, Molecular and Optical Physics

Year: 2004

Volume: 37

Issue: 18

Pages: 3681

ISSN (print): 0953-4075

ISSN (electronic): 1361-6455

Publisher: Institute of Physics Publishing Ltd.


DOI: 10.1088/0953-4075/37/18/009


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