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Cooperative gap coupling in high-T c superconductivity

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Zeitschrift für Physik B Condensed Matter

Abstract

A unified approach to superconductivity is presented using natural extensions of weak coupling BCS theory. Multiphonon-multiband interactions cause a multigap opening atT c , with cooperative pairing in all bands incorporated via interband interactions. Strong increases inT c are found due to interband-induced gap coupling. Model calculations for the experimentally observed gap distribution are presented.

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Authors and Affiliations

  1. Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, W-7000, Stuttgart 80, Germany

    A. Bussmann-Holder, L. Genzel & A. Simon

  2. Theoretical Division, Los Alamos National Laboratory, 87545, Los Alamos, NM, USA

    A. R. Bishop

Authors
  1. A. Bussmann-Holder
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  2. L. Genzel
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  3. A. Simon
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  4. A. R. Bishop
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Bussmann-Holder, A., Genzel, L., Simon, A. et al. Cooperative gap coupling in high-T c superconductivity. Z. Physik B - Condensed Matter 91, 271–276 (1993). https://doi.org/10.1007/BF01344055

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  • DOI: https://doi.org/10.1007/BF01344055

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