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Journal of Low Temperature Physics

, Volume 78, Issue 5–6, pp 375–386 | Cite as

The upper critical field of thin superconducting films with large resistance

  • A. A. Golubov
  • V. V. Dorin
Article

Abstract

The influence of the electron-electron interaction on the upper critical fieldHc2 of thin superconducting films with large resistance and of layered superconductors is investigated theoretically. The orbital effect only is taken into account. It is shown that the electron-electron interaction in the diffusion and Cooper channels influencesHc2 in different manners. The interaction in the diffusion channel (dynamically screened Coulomb interaction) leads to essential deviations from the standard BCS dirty limitHc2(T) curve at low temperatures and as a result upward curvature inHc2(T) is possible. The interaction in the Cooper channel is significant only at temperaturesTc−T≪Tc and enlarges the slopedHc2(T)/dt atT=Tc.

Keywords

Magnetic Material Coulomb Interaction Essential Deviation Critical Field Layered Superconductor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 1990

Authors and Affiliations

  • A. A. Golubov
    • 1
  • V. V. Dorin
    • 1
  1. 1.Institute of Solid State PhysicsAcademy of Scences of the USSRMoscowUSSR

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