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Bose condensation in an attractive fermion gas: From weak to strong coupling superconductivity

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Abstract

We consider a gas of fermions interacting via an attractive potential. We study the ground state of that system and calculate the critical temperature for the onset of superconductivity as a function of the coupling strength. We compare the behavior of continuum and lattice models and show that the evolution from weak to strong coupling superconductivity is smooth.

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Author notes

  1. S. Schmitt-Rink

    Present address: AT&T Bell Laboratories, Murray Hill, New Jersey

Authors and Affiliations

  1. Institut Laue-Langevin, Grenoble, France

    P. Nozières

  2. Institut für Theoretische Physik der Universität Frankfurt, Frankfurt/Main, West Germany

    S. Schmitt-Rink

Authors
  1. P. Nozières
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  2. S. Schmitt-Rink
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Nozières, P., Schmitt-Rink, S. Bose condensation in an attractive fermion gas: From weak to strong coupling superconductivity. J Low Temp Phys 59, 195–211 (1985). https://doi.org/10.1007/BF00683774

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  • DOI: https://doi.org/10.1007/BF00683774

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