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Emergence and decay of turbulence in stirred atomic Bose-Einstein condensates.

Parker, N. G. and Adams, C. S. (2005) 'Emergence and decay of turbulence in stirred atomic Bose-Einstein condensates.', Physical review letters., 95 (14). p. 145301.

Abstract

We show that a ``weak'' elliptical deformation of an atomic Bose-Einstein condensate rotating at close to the quadrupole instability frequency leads to turbulence with a Kolmogorov energy spectrum. The turbulent state is produced by energy transfer to condensate fragments that are ejected by the quadrupole instability. This energy transfer is driven by breaking the twofold rotational symmetry of the condensate. Subsequently, vortex-sound interactions damp the turbulent state leading to the crystallization of a vortex lattice.

Item Type:Article
Keywords:2-dimensional turbulence.
Full text:PDF - Other (758Kb)
Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1103/PhysRevLett.95.145301
Publisher statement:© 2005 by The American Physical Society. All rights reserved.
Record Created:28 Apr 2008
Last Modified:05 Aug 2011 12:52

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