Fractional Quantum Hall States in Ultracold Rapidly Rotating Dipolar Fermi Gases

Details Fractional Quantum Hall States in Ultracold Rapidly Rotating Dipolar Fermi Gases Fractional Quantum Hall States in Ultracold Rapidly Rotating Dipolar Fermi Gases

2004-04-14

arxiv.org/abs/cond-mat/0404329v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.94.070404

We demonstrate the experimental feasibility of incompressible fractional quantum Hall-like states in ultra-cold two dimensional rapidly rotating dipolar Fermi gases. In particular, we argue that the state of the system at filling fraction $\nu =1/3$ is well-described by the Laughlin wave function and find a substantial energy gap in the quasiparticle excitation spectrum. Dipolar gases, therefore, appear as natural candidates of systems that allow to realize these very interesting highly correlated states in future experiments.

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