Exact ground states of rotating Bose gases close to a Feshbach resonance |
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Authors: | Cooper N R |
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Institution: | T.C.M. Group, Cavendish Laboratory, Madingley Road, Cambridge, CB3 0HE, United Kingdom. |
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Abstract: | We study the ground states of rotating Bose gases when interactions are affected by a nearby Feshbach resonance. We show that exact ground states at high angular momentum can be found analytically for a general model for the resonant interactions. We identify parameter regimes where the exact ground states are exotic fractional quantum Hall states, the excitations of which obey nonabelian exchange statistics. |
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