Topological Excitations in Spinor Bose-Einstein Condensates

  title={Topological Excitations in Spinor Bose-Einstein Condensates},
  author={Y. Kawaguchi and M. Kobayashi and M. Nitta and M. Ueda},
  journal={arXiv: Quantum Gases},
  • Y. Kawaguchi, M. Kobayashi, +1 author M. Ueda
  • Published 2010
  • Physics
  • arXiv: Quantum Gases
  • A rich variety of order parameter manifolds of multicomponent Bose-Einstein condensates (BECs) admit various kinds of topological excitations, such as fractional vortices, monopoles, skyrmions, and knots. In this paper, we discuss two topological excitations in spinor BECs: non-Abelian vortices and knots. Unlike conventional vortices, non-Abelian vortices neither reconnect themselves nor pass through each other, but create a rung between them in a topologically stable manner. We discuss the… CONTINUE READING

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