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Numerical study of the stability of skyrmions in Bose-Einstein condensates

Wuester, Sebastian; Argue, T; Savage, Craig

Description

We show that the stability of three-dimensional skyrmions in trapped Bose-Einstein condensates depends critically on scattering lengths, atom numbers, trap rotation, and trap anisotropy. In particular, for the Rb87F=1,mf=-1, F=2,mf=1 hyperfine states stability is sensitive to the scattering lengths at the 2% level, where the differences between them are crucial. In a cigar shaped trap, we find stable skyrmions with slightly more than 2×106 atoms, a number which scales with the inverse square...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
URI: http://hdl.handle.net/1885/80112
Source: Physical Review A: Atomic, Molecular and Optical Physics
DOI: 10.1103/PhysRevA.72.043616

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