Quantum Phases of Vortices in Rotating Bose-Einstein Condensates

Details Quantum Phases of Vortices in Rotating Bose-Einstein Condensates Quantum Phases of Vortices in Rotating Bose-Einstein Condensates

2001-06-30

arxiv.org/abs/cond-mat/0107005v1

Phys. Rev. Lett. 87, 120405 (2001)

Physics

Condensed Matter

Scientific paper

10.1103/PhysRevLett.87.120405

We investigate the groundstates 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 $\nu\equiv N/N_V$ as the parameter controlling the nature of these states. We present results indicating that, as a function of $\nu$, there is a zero temperature {\it 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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