Creating vortex rings and three-dimensional Skyrmions in Bose-Einstein condensates

Ruostekoski, J. and Anglin, J.R. (2001) Creating vortex rings and three-dimensional Skyrmions in Bose-Einstein condensates. Physical review letters, 86 (18). pp. 3934-3937. ISSN 1079-7114

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Abstract

We propose a method of generating a vortex ring in a Bose-Einstein condensate by means of electromagnetically-induced atomic transitions. Some remnant population of atoms in a second internal state remains within the toroidal trap formed by the mean field repulsion of the vortex ring. This population can be removed, or it can be made to flow around the torus (i.e. within the vortex ring). If this flow has unit topological winding number, the entire structure formed by the two condensates is an example of a three-dimensional skyrmion texture.

Item Type: Journal Article
Journal or Publication Title: Physical review letters
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 123683
Deposited By: ep_importer_pure
Deposited On: 26 Feb 2018 11:02
Refereed?: Yes
Published?: Published
Last Modified: 23 Jan 2020 04:24
URI: https://eprints.lancs.ac.uk/id/eprint/123683

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