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The influence of short-range magnetic correlations on the superconducting transition temperature

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Abstract

Taking into account correlations between well-defined localized magnetic moments in a dilute magnetic system, we derive an expression for the super-conducting transition temperature which is different from Bennemann's theory. In particular it is shown that the influence of short-range magnetic correlations in the vicinity of a magnetic phase transition on the superconducting transition temperature is twofold: (1) There are large corrections to the Abrikosov-Gor'kov theory. (2) For a certain choice of parameters the phase diagram in the temperature versus concentration plane shows a break (where the system is normally conducting) between two superconducting regions.

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Author notes

  1. P. Entel & W. Klose

    Present address: Fachbereich Physik der Universität des Saarlandes, D-6600, Saarbrücken

Authors and Affiliations

  1. Départment de Physique de la Matière Condensée, Université de Genève, Genève, Switzerland

    P. Entel & W. Klose

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  1. P. Entel
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  2. W. Klose
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Entel, P., Klose, W. The influence of short-range magnetic correlations on the superconducting transition temperature. J Low Temp Phys 17, 529–538 (1974). https://doi.org/10.1007/BF00655072

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  • DOI: https://doi.org/10.1007/BF00655072

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