Journal
PHYSICAL REVIEW LETTERS
Volume 87, Issue 12, Pages -Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.87.120405
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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 = 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.
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