Upper Critical Field in Layered Superconductors : Condensed Matter: Electronic Properties, etc.

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概要

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• The theoretical statements about a restoration of a superconductivity at magnetic fields higher than the quasiclassical upper critical field and a reentrance of superconductivity at temperatures T_c(H) ≈T_c(0) in the superconductors with open Fermi surfaces are reinvestigated taking into account a scattering of quasiparticles on the impurities. The system of integral equations for determination of the upper critical field parallel to the conducting planes in a layered conventional and unconventional superconductors with impurities are derived. The H_<c2>(T) values for the "clean" case in the Ginzburg-Landau regime and at any temperature in the "dirty" case are found analytically. The upper limit of the superconductor purity when the upper critical field definately has a finite value is established.

• 社団法人日本物理学会の論文
• 2000-10-15

著者

• Mineev V.p.

  Yukawa Institute For Theoretical Physics Kyoto University Commissariat A L'energie Atomique Dep

関連論文

• Upper Critical Field in Layered Superconductors : Condensed Matter: Electronic Properties, etc.

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