Homotopy Theory of Topological Defects in Spinor Condensates

Details Homotopy Theory of Topological Defects in Spinor Condensates Homotopy Theory of Topological Defects in Spinor Condensates

2003-05-21

arxiv.org/abs/cond-mat/0305489v1

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 1 figure

Scientific paper

We investigate the topological defects in atomic spin-1 and spin-2 Bose-Einstein condensates by applying the homotopy group theory. With this rigorous approach we clarify the previously controversial identification of symmetry groups and order parameter spaces for the spin-1 case, and show that the spin-2 case provides a rare example of a physical system with non-Abelian line defects, and the possibility to have winding numbers of 1/3 and its multiples.

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