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Theory of magnetoconductance near a superconducting transition in a weakly localized 2D metal

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Abstract

The magnetoconductivity corrections due to pair fluctuations aboveT c in a weakly disordered two-dimensional superconductor are calculated. Use of a systematic generation formalism makes it possible to obtain a number of diagrams, some of which have been investigated earlier. The validity of the previous results is extended to a larger range of temperatures, inelastic scattering rates, and magnetic fields. For appropriate limits in these variables certain results given in the literature are regained, in particular those of Larkin and of Santos and Abrahams on the Maki-Thompson process and theg 4 contributions according to Fukuyama.

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Brenig, W. Theory of magnetoconductance near a superconducting transition in a weakly localized 2D metal. J Low Temp Phys 60, 297–322 (1985). https://doi.org/10.1007/BF00681645

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Keywords

  • Magnetic Field
  • Magnetic Material
  • Large Range
  • Systematic Generation
  • Pair Fluctuation