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Abnormal Occupation, Tighter-Bound Cooper Pairs and High Tc Superconductivity

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Condensed Matter Theories

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Abstract

The classic Cooper electron-pair problem is generalized via a Fermi sea having two concentric surfaces, rather than the familiar sphere of a perfect (interactionless) fermion gas. Substantially tighter-bound pairs are obtained for fixed phonon coupling with the BCS model interaction, no matter how weak. This will admit increased transition temperatures for superconductivity in the BCS theory and beyond, and suggests that designing materials having multiply-connected Fermi surfaces with maximal interior area will yield larger Tc values.

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Author information

Authors and Affiliations

  1. Physics Department, North Dakota State University, Fargo, North Dakota, 58105, USA

    M. de Llano

  2. Physics Department, Iowa State University, Ames, Iowa, 50011, USA

    J. P. Vary

Authors
  1. M. de Llano
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  2. J. P. Vary
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Editor information

Editors and Affiliations

  1. Instituto de Física Teórica, UNESP, Rua Pamplona 145, 01405, São Paulo, SP, Brazil

    V. C. Aguilera-Navarro

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© 1990 Plenum Press, New York

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de Llano, M., Vary, J.P. (1990). Abnormal Occupation, Tighter-Bound Cooper Pairs and High Tc Superconductivity. In: Aguilera-Navarro, V.C. (eds) Condensed Matter Theories. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0605-4_20

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  • DOI: https://doi.org/10.1007/978-1-4613-0605-4_20

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4612-7888-7

  • Online ISBN: 978-1-4613-0605-4

  • eBook Packages: Springer Book Archive

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