Vortex Tiling in a Spin-2 Spinor Bose-Einstein Condensate

Details Vortex Tiling in a Spin-2 Spinor Bose-Einstein Condensate Vortex Tiling in a Spin-2 Spinor Bose-Einstein Condensate

2009-07-21

arxiv.org/abs/0907.3716v2

Physics

Condensed Matter

Quantum Gases

4 pages, 4 figures

Scientific paper

We point out that the internal spin symmetry of the order parameter manifests itself at the core of a fractional vortex in real space without spin-orbit coupling. Such symmetry breaking arises from a topological constraint and the commensurability between spin symmetries of the order parameters inside and outside the core. Our prediction can be applied to probe the cyclic order parameter in a rotating spin-2 $^{87}$Rb condensate as a non-circular vortex core in a biaxial nematic state.

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