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RESISTIVE STATE IN BROAD SUPERCONDUCTING FILMS.

[In Russian. / En russe.]

Author(s) : ASLAMAZOV L. G., LEMPICKIJ S. V.

Type of article: Article

Summary

THE CRITICAL CURRENT AND VOLT-AMPERE CHARACTERISTIC ARE FOUND FOR A SUPERCONDUCTING FILM WHOSE WIDTH GREATLY EXCEEDS THE EFFECTIVE PENETRATION DEPTH OF THE MAGNETIC FIELD. AT THE CRITICAL CURRENT THE VORTEX-FREE SUPERCONDUCTING STATE BECOMES UNSTABLE AND A VORTEX CHAIN APPEARS NEAR THE EDGE OF THE FILM. THE VISCOUS MOTION OF THE VORTEX STRUCTURE IS INVESTIGATED IN THE HYDRODYNAMIC APPROXIMATION. AT A VALUE OF THE TOTAL CURRENT WHICH CONSIDERABLY EXCEEDS THE CRITICAL VALUE, A VOLTAGE DISCONTINUITY IS OBSERVED IN THE VOLT-AMPERE CHARACTERISTIC OF THE FILM. BEFORE THE JUMP THE FILM RESISTANCE IS SMALL COMPARED TO THE NORMAL RESISTANCE.

Details

  • Original title: [In Russian. / En russe.]
  • Record ID : 1984-0483
  • Languages: Russian
  • Source: Z. eksp. teor. Fiz. - vol. 84 - n. 6
  • Publication date: 1983
  • Document available for consultation in the library of the IIR headquarters only.

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