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Instability of a supercurrent in the critical depairing region

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Abstract

Considering the proposal of Fulde and Ferrell on electron depairing in super-conductors, we investigate the stability of the supercurrents in the critical depairing regime where the supercurrent decreases with increasing momentum of the Cooper pairs. We find that this region is unstable and that disturbances (due to fluctuations) grow exponentially in time.

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Authors and Affiliations

  1. Stevens Institute of Technology, Hoboken, New Jersey

    Albert Schmid

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  1. Albert Schmid
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Additional information

Work supported by the Cryogenics Center through a contract with the DOD Themis Program.

On leave of absence from Institute of Mathematische Physik, Universität Karlsruhe, Karlsruhe, Germany.

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Schmid, A. Instability of a supercurrent in the critical depairing region. J Low Temp Phys 1, 13–18 (1969). https://doi.org/10.1007/BF00628330

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  • DOI: https://doi.org/10.1007/BF00628330

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