Vortex State Structure of a Bose Condensate in an Asymmetric Trap

Details Vortex State Structure of a Bose Condensate in an Asymmetric Trap Vortex State Structure of a Bose Condensate in an Asymmetric Trap

1999-06-12

arxiv.org/abs/cond-mat/9906182v1

Physics

Condensed Matter

Statistical Mechanics

RevTex, 2 pages, no figures, submitted to LT22

Scientific paper

10.1016/S0921-4526(99)01954-7

Based on an analytic solution of the Gross-Pitaevskii equation in the large-condensate (Thomas-Fermi) limit we determine the structure of a stationary vortex in a Bose-Einstein condensate in a nonaxisymmetric rotating trap. The condensate velocity field has cylindrical symmetry only near the vortex core and becomes intrinsically anisotropic near the condensate boundaries. Rotating the anisotropic trap induces an additional irrotational velocity field even for a vortex-free condensate.

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