Vortex flux and Berry phase in a Bose-Einstein condensate confined in a toroidal trap

Details Vortex flux and Berry phase in a Bose-Einstein condensate confined in a toroidal trap Vortex flux and Berry phase in a Bose-Einstein condensate confined in a toroidal trap

2004-06-07

arxiv.org/abs/cond-mat/0406160v1

Physics

Condensed Matter

Statistical Mechanics

7 pages

Scientific paper

We study a system of large number of singly quantized vortices in a BEC
confined in a rotating toroidal geometry. Analogous to the Meissner effect in
supercomputers, we show that the external rotational field can be tuned to can
cancel the Magnus field, resulting in a zero vortex flux. We also show that the
Berry's phase for this system is directly related to the vortex flux.

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