Giant hole and circular superflow in a fast rotating Bose-Einstein condensate

Details Giant hole and circular superflow in a fast rotating Bose-Einstein condensate Giant hole and circular superflow in a fast rotating Bose-Einstein condensate

2002-02-14

arxiv.org/abs/cond-mat/0202223v2

Phys.Rev.A66:053606,2002

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures, revtex4

Scientific paper

10.1103/PhysRevA.66.053606

A fast rotating Bose-Einstein condensate confined in a quadratic-plus-quartic
potential is found to dynamically generate a "giant vortex" that absorbs all
phase singularities into a central low density hole, thereby sustaining a
quasi-one-dimensional circular superflow at a supersonic speed.

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