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Flow of a weakly-interacting Bose condensate

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3 Author(s)
Jackson, B. ; Dept. of Phys., Durham Univ., UK ; McCann, J.F. ; Adams, C.S.

Summary form only given.The experimental observation of Bose condensation using magnetically trapped alkali vapours has stimulated considerable interest in the understanding of weakly-interacting Bose fluids. Experiments have confirmed that the Gross-Pitaevskii equation gives an accurate description of condensate dynamics in the limit T/spl rarr/0, and that the principal effect of finite temperature is condensate depletion. We solve the two-dimensional time-dependent, Gross-Pitaevskii equation, including the effect of gravity, to simulate the flow of a weakly-interacting condensate. We have modeled the output coupling of an atom laser, and the flow of a condensate through a constriction.

Published in:

Quantum Electronics Conference, 1998. IQEC 98. Technical Digest. Summaries of papers presented at the International

Date of Conference:

8-8 May 1998