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A method to create disordered vortex arrays in atomic Bose-Einstein condensates

Lookup NU author(s): Dr Eniko Madarassy

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Abstract

We suggest a method to create quantum turbulence (QT) in a trapped atomic Bose-Einstein condensate (BEC). By replacing in the upper half of our box the wave function, ψ, with its complex conjugate, ψ&z.ast;, new negative vortices are introduced into the system. The simulations are performed by solving the two-dimensional Gross-Pitaevskii equation (2D GPE). We study the successive dynamics of the wave function by monitoring the evolution of density and phase profile.

Publication metadata

Author(s): Madarassy E

Publication type: Article

Publication status: Published

Journal: Canadian Journal of Physics

Year: 2009

Volume: 87

Issue: 9

Pages: 1013-1019

Print publication date: 01/09/2009

ISSN (print): 0008-4204

ISSN (electronic): 1208-6045

Publisher: NRC Research Press

URL: http://dx.doi.org/10.1139/P09-069

DOI: 10.1139/P09-069

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