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Energetically stable particlelike Skyrmions in a trapped Bose-Einstein condensate

Savage, Craig; Ruostekoski, J

Description

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.

CollectionsANU Research Publications
Date published: 2003-07-01
Type: Journal article
URI: http://hdl.handle.net/10440/830
http://digitalcollections.anu.edu.au/handle/10440/830
DOI: 10.1103/PhysRevLett.91.010403

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