Vortex energy and vortex bending for a rotating Bose-Einstein condensate

Details Vortex energy and vortex bending for a rotating Bose-Einstein condensate Vortex energy and vortex bending for a rotating Bose-Einstein condensate

2001-05-10

arxiv.org/abs/cond-mat/0105208v1

PRA, (2001) Vol 64 043611

Physics

Condensed Matter

Statistical Mechanics

7 pages, 2 figures. submitted

Scientific paper

10.1103/PhysRevA.64.043611

For a Bose-Einstein condensate placed in a rotating trap, we give a simplified expression of the Gross-Pitaevskii energy in the Thomas Fermi regime, which only depends on the number and shape of the vortex lines. Then we check numerically that when there is one vortex line, our simplified expression leads to solutions with a bent vortex for a range of rotationnal velocities and trap parameters which are consistent with the experiments.

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