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Layered superconductors in high magnetic fields

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Zeitschrift für Physik

Abstract

We investigate the possible occurrance of partially depaired states in superconducting intercalated layered systems. Those states are discussed as a possible explanation of the high critical fields found in some of these materials. It is shown that the Chandrasekhar-Clogston limit does not apply to those states mentioned above and that the maximum field compatible with superconductivity is a sensitive function of the shape of the Fermi surface. Mean free path and spin-orbit effects on the partially depaired state are investigated. An experiment is proposed to decide between the partially depaired state and a large spin-orbit scattering rate as possible explanations for the large critical fields.

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Authors and Affiliations

  1. Institut für Theoretische Physik, Freie Universität Berlin, Berlin, Germany

    Koya Aoi

  2. Institut Max von Laue-Paul Langevin, Garching, Germany

    Wolfgang Dieterich & Peter Fulde

Authors
  1. Koya Aoi
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  2. Wolfgang Dieterich
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  3. Peter Fulde
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Additional information

We would like to thank A. Luther for a stimulating discussion on this subject. One of us (K.A.) is grateful to the Institut Max v. Laue-Paul Langevin for the hospitality during the course of this work.

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Aoi, K., Dieterich, W. & Fulde, P. Layered superconductors in high magnetic fields. Z. Physik 267, 223–228 (1974). https://doi.org/10.1007/BF01669224

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  • DOI: https://doi.org/10.1007/BF01669224

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