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DIRECT-CURRENT CRITICAL CURRENTS IN GRANULAR SINTERED SUPERCONDUCTING CERAMICS.

Author(s) : RIEDINGER R.

Type of article: Article

Summary

INTERGRAIN WEAK LINK COUPLING LIMITS THE SUPERCONDUCTING CRITICAL CURRENT AT ZERO VOLTAGE AND THUS ELECTRIC POWER TRANSPORTATION. A CLASSICAL MODEL HAS BEEN DEVELOPED INDEPENDENTLY BY RHYNER AND BLATTER AND THE AUTHOR WHICH NEGLECTS PHASE FLUCTUATIONS OF THE SUPERCONDUCTING ORDER PARAMETER BETWEEN GRAINS AND MODELS THE WEAK LINKS AS JOSEPHSON JUNCTIONS, EACH POSSESSING A LIMITING CRITICAL CURRENT. THE AUTHOR HAS SHOWN THAT THE PROBLEM CAN BE EFFICIENTLY SOLVED USING AN ADAPTATION OF THE MAXIMAL FLOW THEOF D FULKERSON, WELL KNOWN IN ECONOMICS. THE MINIMAL CUT CAN BE DERIVED DIRECTLY FROM THIS. NEW RESULTS ON TWO-AND THREE-DIMENSIONAL NETWORKS ARE PRESENTED IN THE PAPER.

Details

  • Original title: DIRECT-CURRENT CRITICAL CURRENTS IN GRANULAR SINTERED SUPERCONDUCTING CERAMICS.
  • Record ID : 1991-1956
  • Languages: English
  • Source: Cryogenics - vol. 30 - n. 5
  • Publication date: 1990

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