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Disordered vortex arrays in a two-dimensional condensate

Lookup NU author(s): Dr Eniko Madarassy, Professor Carlo Barenghi

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Abstract

We suggest a method to create turbulence in a Bose-Einstein condensate. The method consists in, first, creating an ordered vortex array, and, second, imprinting a phase difference in different regions of the condensate. By solving numerically the two-dimensional Gross-Pitaevskii equation, we show that the motion of the resulting positive and negative vortices is disordered. © 2009 Taylor & Francis.

Publication metadata

Author(s): Madarassy E, Barenghi C

Publication type: Article

Publication status: Published

Journal: Geophysical and Astrophysical Fluid Dynamics

Year: 2009

Volume: 103

Issue: 2-3

Pages: 269-278

Print publication date: 01/04/2009

ISSN (print): 0309-1929

ISSN (electronic): 1026-7506

Publisher: Taylor & Francis Ltd

URL: http://dx.doi.org/10.1080/03091920802326986

DOI: 10.1080/03091920802326986

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