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Vortex transmutation.

Authors
  • Ferrando, Albert
  • Zacarés, Mario
  • García-March, Miguel-Angel
  • Monsoriu, Juan A
  • de Córdoba, Pedro Fernández
Type
Published Article
Journal
Physical review letters
Publication Date
Sep 16, 2005
Volume
95
Issue
12
Pages
123901–123901
Identifiers
PMID: 16197074
Source
Medline
License
Unknown

Abstract

Using group theory arguments and numerical simulations, we demonstrate the possibility of changing the vorticity or topological charge of an individual vortex by means of the action of a system possessing a discrete rotational symmetry of finite order. We establish on theoretical grounds a "transmutation pass" determining the conditions for this phenomenon to occur and numerically analyze it in the context of two-dimensional optical lattices. An analogous approach is applicable to the problems of Bose-Einstein condensates in periodic potentials.

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