Vortex structures of rotating Bose-Einstein condensates in anisotropic harmonic potential

Details Vortex structures of rotating Bose-Einstein condensates in anisotropic harmonic potential Vortex structures of rotating Bose-Einstein condensates in anisotropic harmonic potential

2010-04-22

arxiv.org/abs/1004.3896v1

Physics

Condensed Matter

Quantum Gases

7 pages, 3 figures

Scientific paper

We found an analytical solution for the vortex structure in a rapidly rotating trapped Bose-Einstein condensate in the lowest Landau level approximation. This solution is exact in the limit of a large number of vortices and is obtained for the case of anisotropic harmonic potential. For the case of symmetric harmonic trap when the rotation frequency is equal to the trapping frequency, the solution coincides with the Abrikosov triangle vortex lattice in type-II superconductors. In a general case the coarse grained density is found to be close to the Thomas-Fermi profile, except the vicinity of edges of a condensate cloud.

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