Critical Fluctuation Behavior in the Resistive Transition of Superconducting Bi Films

  • M. K. Chien
  • R. E. GloverIII


The electrical resistance of a superconducting metal decreases gradually at first and then at a rapidly increasing rate as the transition temperature T c is approached from above. Extensive agreement 1 has been found between film measurements made at temperatures sufficiently above T c . that the change in resistance does not exceed about one-quarter of the residual normal-state value R 0 and theories based on the presence above T c of fluctuation-produced Cooper electron pairs. These theories assume small concentrations of such carriers and so reasonably neglect interactions.


Resistance Measurement Transition Curve Resistive Transition Crystalline Quartz Critical Fluctuation 
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Copyright information

© Springer Science+Business Media New York 1974

Authors and Affiliations

  • M. K. Chien
    • 1
  • R. E. GloverIII
    • 1
  1. 1.University of MarylandCollege ParkUSA

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