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19 April 2024

» arxiv » cond-mat/9903002

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Instability of Non-vortex State toward a Quantized Vortex in Bose-Einstein Condensate under External Rotation
Tomoya Isoshima ; Kazushige Machida ;
Rating:	Visitors: 5/5 (1 visitor)
Date:	27 Feb 1999
Subject:	Soft Condensed Matter \| cond-mat.soft
Abstract:	The instability condition of the non-vortex state toward vortex formation is exa mined within the Bogoliubov theory when a Bose-Einstein condensate is under exte rnally forced rotation. The obtained critical angular velocity combined with the previous stability cond itions for a votex yields a detailed phase diagram in the critical velocity vs t he system parameter. This facilitates vortex formation experiments for alkali atom gases confined in a harmonic potential.
Source:	arXiv, cond-mat/9903002
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