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Explicit expressions for the topological defects of spinor Bose-Einstein condensates | H. Mäkelä
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27 Oct 2005 | Abstract: | In this paper we first propose a general method to create explicit expressions for vortices and monopoles. This method is then applied in the context of spinor Bose-Einstein condensates with hyperfine spin F=1 or F=2. We concentrate on defects which are topologically stable in the absence of an external magnetic field. In addition to presenting examples of defects of previously known ground state phases, the properties of a new kind of a ground state of a F=2 condensate are studied. We also examine the effect of an external magnetic field on a ferromagnetic F=1 condensate and discuss the experimental preparation of the defects. | Source: | arXiv, cond-mat/0510750 | Services: | Forum | Review | PDF | Favorites |
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