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The range of validity of the critical-velocity model in superconductors

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Czechoslovak Journal of Physics B Aims and scope

Abstract

From the distribution function of normal electrons in the energy gap of the superconductor, the influence of the electric current on the density of superconducting electrons is calculated and the maximum lossless velocityv c of the electrons is determined. The value ofv c limits also the range of validity of the critical-velocity model, calculated under the assumption of a rigidly pinned vortex lattice. The range of applicability of the critical-velocity model is shown to be restricted to the immediate vicinity of the upper critical field.

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Authors and Affiliations

  1. Electrotechnical Institute, Slovak Acad. Sci., Dúbravská cesta, 809 32, Bratislava, Czechoslovakia

    S. Takács

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  1. S. Takács
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Takács, S. The range of validity of the critical-velocity model in superconductors. Czech J Phys 23, 1057–1067 (1973). https://doi.org/10.1007/BF01586844

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  • DOI: https://doi.org/10.1007/BF01586844

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