Quantum Phases of Vortices in Rotating Bose-Einstein Condensates

Nigel Cooper, Nicola Wilkin, John Gunn

Research output: Contribution to journalArticle

373 Citations (Scopus)

Abstract

We investigate the ground states of weakly interacting bosons in a rotating trap as a function of the number of bosons, N, and the average number of vortices, N(V). We identify the filling fraction nu identical with N/N(V) as the parameter controlling the nature of these states. We present results indicating that, as a function of nu, there is a zero temperature phase transition between a triangular vortex lattice phase, and strongly correlated vortex liquid phases. The vortex liquid phases appear to be the Read-Rezayi parafermion states.
Original languageEnglish
Pages (from-to)120405
Number of pages1
JournalPhysical Review Letters
Volume87
Issue number12
Early online date1 Aug 2001
DOIs
Publication statusPublished - 1 Sep 2001

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