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Multi-vortex Phase Transitions in Rotating Bose-Einstein Condensates

Vorov, O K; Van Isacker, P; Hussein, M S; Kun, Sergey; Bartschat, Klaus R


We study the lowest energy states of a weakly interacting trapped atomic Bose-Einstein condensate in both quantum and classical cases. An analytic expression for the ground-state wavefunction of a rotating Gross-Pitaevskii condensate of trapped atoms describes the onset of vorticity in an accelerated trap, starting from the vortex entry followed by formation of growing symmetric Wigner molecules. Within a unified picture, it explains the staircase of the angular momentum jumps and the behavior...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Book chapter
Book Title: Nuclei and Mesoscopic Physics
DOI: 10.1063/1.1996873


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