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Phase diagram of a wide current-carrying superconducting film

  • Metals and Superconductors
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Abstract

A model of current heating of a wide superconducting film is suggested assuming nonlinearity of the film conductance. Within this model, the parameters of the film can be characterized by a single dimensionless coefficient of thermal balance which includes both thermal and resistive parameters of the system. The stability of the state of the current-carrying film is analyzed. A phase diagram of the film is constructed in terms of the coefficient of thermal balance and the average current density. The propagation velocity of a stationary nonuniform temperature distribution in the film is calculated as a function of current density at various values of the coefficient of thermal balance.

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Authors and Affiliations

  1. Donetsk Physicotechnical Institute, National Academy of Sciences of Ukraine, Donetsk, 83114, Ukraine

    A. N. Artemov & Yu. V. Medvedev

Authors
  1. A. N. Artemov
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  2. Yu. V. Medvedev
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__________

Translated from Fizika Tverdogo Tela, Vol. 45, No. 3, 2003, pp. 385–389.

Original Russian Text Copyright © 2003 by Artemov, Medvedev.

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Artemov, A.N., Medvedev, Y.V. Phase diagram of a wide current-carrying superconducting film. Phys. Solid State 45, 409–413 (2003). https://doi.org/10.1134/1.1562221

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  • DOI: https://doi.org/10.1134/1.1562221

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