Mermin-Ho vortex in ferromagnetic spinor Bose-Einstein condensates

Details Mermin-Ho vortex in ferromagnetic spinor Bose-Einstein condensates Mermin-Ho vortex in ferromagnetic spinor Bose-Einstein condensates

2002-03-12

arxiv.org/abs/cond-mat/0203242v1

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.89.030401

The Mermin-Ho and Anderson-Toulouse coreless non-singular vortices are demonstrated to be thermodynamically stable in ferromagnetic spinor Bose-Einstein condensates with the hyperfine state F=1. The phase diagram is established in a plane of the rotation drive vs the total magnetization by comparing the energies for other competing non-axis-symmetric or singular vortices. Their stability is also checked by evaluating collective modes.

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