Imaginary chemical potential induces a mapping that turns the BCS-BEC crossover of attractive fermions into a Bose-Fermi crossover for repulsive bosons via a simple phase shift in the thermal kernel.
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Bose-Fermi Mapping in Hubbard Models at Imaginary Chemical Potential and Phase-Induced Fermionization
Imaginary chemical potential induces a mapping that turns the BCS-BEC crossover of attractive fermions into a Bose-Fermi crossover for repulsive bosons via a simple phase shift in the thermal kernel.