Phys. Rev. Lett. 91, 010403 (2003) [4 pages]Energetically Stable Particlelike Skyrmions in a Trapped Bose-Einstein CondensateReceived 11 February 2003; published 1 July 2003 We numerically show that a topologically nontrivial 3D Skyrmion can be energetically stable in a trapped two-component atomic Bose-Einstein condensate, for the parameters of 87Rb condensate experiments. The separate conservation of the two atomic species can stabilize the Skyrmion against shrinking to zero size, while drift of the Skyrmion due to the trap-induced density gradient can be prevented by rotation or by a laser potential. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.91.010403
DOI:
10.1103/PhysRevLett.91.010403
PACS:
03.75.Lm, 03.75.Mn, 12.39.Dc
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