Energetically Stable Particlelike Skyrmions in a Trapped Bose-Einstein Condensate

C. M. Savage; J. Ruostekoski

doi:10.1103/PhysRevLett.91.010403

Energetically Stable Particlelike Skyrmions in a Trapped Bose-Einstein Condensate

C. M. Savage^*, J. Ruostekoski

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

112 Citations (Scopus)

Abstract

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 [Formula presented] 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.

Original language	English
Journal	Physical Review Letters
Volume	91
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.91.010403
Publication status	Published - 1 Jul 2003

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abstract = "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 [Formula presented] 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.",

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AB - 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 [Formula presented] 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.

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Energetically Stable Particlelike Skyrmions in a Trapped Bose-Einstein Condensate

Abstract

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