Fermi-Bose mixtures near broad interspecies Feshbach resonances |
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Authors: | Song Jun Liang Mashayekhi Mohammad S Zhou Fei |
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Institution: | Department of Physics and Astronomy, The University of British Columbia, Vancouver, B.C., Canada V6T1Z1. |
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Abstract: | In this Letter we study dressed bound states in Fermi-Bose mixtures near broad interspecies resonances, and implications on many-body correlations. We present the evidence for a first order phase transition between a mixture of Fermi gas and condensate, and a fully paired mixture where extended fermionic molecules occupy a single pairing channel instead of forming a molecular Fermi surface. We further investigate the effect of Fermi surface dynamics and pair fluctuations and discuss the validity of our results. |
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