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Dynamical fluctuation of the order parameter and diamagnetism of superconductors. I. Dirty limit

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Abstract

Limiting ourselves to dirty superconductors, we study theoretically the fluctuation-induced diamagnetism above the superconducting transition. We find that the dynamical fluctuation is extremely important except in the immediate vicinity of the transition region [i.e.,T℞T c(H) orH℞H c2(T), whereH c2 is the upper critical field] and that this contribution does account for a large discrepancy between previous calculations and the recent experiment by Gollub, Beasley, and Tinkham.

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Authors and Affiliations

  1. Department of Physics, Tohoku University, Sendai, Japan

    Kazumi Maki

  2. Department of Physics, University of Tokyo, Tokyo, Japan

    Hajime Takayama

Authors
  1. Kazumi Maki
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  2. Hajime Takayama
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Maki, K., Takayama, H. Dynamical fluctuation of the order parameter and diamagnetism of superconductors. I. Dirty limit. J Low Temp Phys 5, 313–323 (1971). https://doi.org/10.1007/BF00629707

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  • DOI: https://doi.org/10.1007/BF00629707

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