Stable Skyrmions in spinor condensates

Details Stable Skyrmions in spinor condensates Stable Skyrmions in spinor condensates

2006-04-24

arxiv.org/abs/cond-mat/0604557v2

Phys.Rev.Lett. 97 (2006) 080403

Physics

Condensed Matter

Superconductivity

4 pages, 2 figures; few typos corrected, references updated, to appear in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.97.080403

Globally symmetric spinor condensates in free space are argued not to support stable topological defects in either two or three dimensions. In the latter case, however, we show that a topological Skyrmion can be stabilized by forcing it to adopt certain density profiles. A sufficient condition for the existence of Skyrmion solutions in three dimensions is formulated and illustrated in simple examples. Our results pertain to Bose-Einstein condensation in Rb.

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