UNSPECIFIED (2003) Wave turbulence in Bose-Einstein condensates. In: Conference on Complexity and Nonlinearity in Physical Systems held in Honor of Alan Newell, NOV, 2001, UNIV ARIZONA, TUCSON, ARIZONA.

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Abstract

The kinetics of nonequilibrium Bose-Einstein condensates (BEC) are considered within the framework of the Gross-Pitaevskii (GP) equation. A systematic derivation is given for weak small-scale perturbations of a steady confined condensate state. This approach combines a wavepacket WKB description with the weak turbulence theory. The WKB theory derived in this paper describes the effect of the condensate on the short-wave excitations which appears to be different from a simple renormalization of the confining potential suggested in previous literature. (C) 2003 Elsevier B.V. All rights reserved.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QA Mathematics Q Science > QC Physics
Journal or Publication Title:	PHYSICA D-NONLINEAR PHENOMENA
Publisher:	ELSEVIER SCIENCE BV
ISSN:	0167-2789
Date:	1 October 2003
Volume:	184
Number:	1-4
Number of Pages:	19
Page Range:	pp. 333-351
Publication Status:	Published
Title of Event:	Conference on Complexity and Nonlinearity in Physical Systems held in Honor of Alan Newell
Location of Event:	UNIV ARIZONA, TUCSON, ARIZONA
Date(s) of Event:	NOV, 2001
URI:	http://wrap.warwick.ac.uk/id/eprint/9204

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