Giant vortex and Skyrmion in a rotating two-species Bose-Einstein condensate

Details Giant vortex and Skyrmion in a rotating two-species Bose-Einstein condensate Giant vortex and Skyrmion in a rotating two-species Bose-Einstein condensate

2007-12-18

arxiv.org/abs/0712.2945v1

Phys. Rev. A 77, 033621(2008)

Physics

Condensed Matter

Other Condensed Matter

5 pages, 5 figures

Scientific paper

10.1103/PhysRevA.77.033621

Numerical simulations are performed for a rotating two-species Bose condensate confined by a harmonic potential. The particle numbers of each species are unequal. When the rotational speed exceeds a critical value, the majority species reside in the center of the potential while the minority species is pushed out to the outskirts, forming a giant vortex hole to contain the majority species. A novel annular Skyrmion forms at the interface of the two species.

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