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Resonant formation of strongly correlated paired states in rotating Bose gases

S. G. Bhongale·J. N. Milstein·M. J. Holland
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Abstract

We propose increasing the fractional quantum Hall gap of a rapidly rotating Bose gas by increasing the interatomic interactions via a Feshbach resonance. The generation of molecules by the resonance causes pair correlations to grow throughout the system effecting the ground state. By an extension of the usual Chern-Simons theory, built of composite atoms and molecules, we are able to account for these resonance effects. We find that the resulting ground state evolves from a Laughlin wavefunction to a unique paired wavefunction as one approaches the resonance.

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S. G. Bhongale, J. N. Milstein, M. J. Holland. 2003-05-19. Resonant formation of strongly correlated paired states in rotating Bose gases. https://doi.org/10.1103/physreva.69.053603

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