Vortex lattices in the lowest Landau level for confined Bose-Einstein condensates

Details Vortex lattices in the lowest Landau level for confined Bose-Einstein condensates Vortex lattices in the lowest Landau level for confined Bose-Einstein condensates

2004-04-05

arxiv.org/abs/cond-mat/0404112v2

Phys. Rev. A 70, 033604 (2004)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 figures

Scientific paper

10.1103/PhysRevA.70.033604

We present the results of numerical calculations of the groundstates of weakly-interacting Bose-Einstein condensates containing large numbers of vortices. Our calculations show that these groundstates appear to be close to uniform triangular vortex lattices. However, slight deviations from a uniform triangular lattice have dramatic consequences on the overall particle distribution. In particular, we demonstrate that the overall particle distribution averaged on a lengthscale large compared to the vortex lattice constant is well approximated by a Thomas-Fermi profile.

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