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Theory of Weak Localization and Superconducting Fluctuations

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Localization, Interaction, and Transport Phenomena

Part of the book series: Springer Series in Solid-State Sciences ((SSSOL,volume 61))

Abstract

We discuss the superconducting transition temperature Tc, the upper critical field, and the conductivity near Tc in the weakly localized regime of dirty superconductors. It is shown that Tc decreases with increasing atomic disorder, since the Coulomb repulsive interaction is enhanced and the density of states of electrons is depressed in dirty metals. In addition, disorder induces the depairing effect due to the retardation of the Coulomb interaction. The conductivity σ induced by the superconducting fluctuations depends on disorder through the diffusion constant and the pair-breaking parameter δ. The parameter δ is related to the phase coherence time τφ. We propose that the magnetoresistance near Tc may be useful for studying τφ

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Author information

Author notes

  1. S. Maekawa

    Present address: The Research Institute for Iron, Steel and Other Metals, Tohoku University, Sendai 980, Japan

Authors and Affiliations

  1. Institut für Festkörperforschung der Kernforschungsanlage Jülich, Postfach 1913, D-5170, Jülich, Fed. Rep. of Germany

    S. Maekawa

Authors
  1. S. Maekawa
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Editor information

Editors and Affiliations

  1. Physikalisch-Technische Bundesanstalt Braunschweig, Postfach 3345, D-3300, Braunschweig, Fed. Rep. of Germany

    Bernhard Kramer

  2. Kernforschungsanlage Jülich, Institut für Festkörperforschung, Postfach 1913, D-5170, Jülich, Fed. Rep. of Germany

    Gerd Bergmann

  3. Laboratorium voor Vaste Stof-Fysika en Magnetisme, Celestijnenlaan 200 D, B-3030, Leuven, Belgium

    Yvan Bruynseraede

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© 1985 Springer-Verlag Berlin Heidelberg

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Maekawa, S. (1985). Theory of Weak Localization and Superconducting Fluctuations. In: Kramer, B., Bergmann, G., Bruynseraede, Y. (eds) Localization, Interaction, and Transport Phenomena. Springer Series in Solid-State Sciences, vol 61. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82516-3_13

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  • DOI: https://doi.org/10.1007/978-3-642-82516-3_13

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-82518-7

  • Online ISBN: 978-3-642-82516-3

  • eBook Packages: Springer Book Archive

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