DYNAMIC AND NONEQUILIBRIUM AMPLIFICATION OF THE PROXIMITY EFFECT IN SUPERCONDUCTORS.

V. P. Seminozhenko*, E. I. Khar'kov, Serhii Shafranjuk

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

The effect of a high-frequency alternating voltage applied to the plates of a tunnel N/S sandwich (S is the superconductor, N is the normal metal or superconductor having the smaller gap) is examined. It is shown that for DELTA //N VM LS TH T VM LS TH DELTA //S ( DELTA //N, DELTA //S are the energy gaps in the electronic spectra of N and S films, respectively, and T is the temperature of the sandwich) the nonequilibrium effect of amplification of superconductivity in the N film can in many cases be comparable to and even exceed, the usual proximity effect. The corrections to the quantity DELTA //N, related to the effect of the alternating voltage on the virtual tunneling transitions of electrons, are found.

Original languageEnglish (US)
Pages (from-to)342-343
Number of pages2
JournalSoviet Journal of Low Temperature Physics (English Translation of Fizika Nizkikh Temperatur)
Volume10
Issue number6
StatePublished - Jun 1 1984

ASJC Scopus subject areas

  • Engineering(all)

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