On the theory of normal zone propagation in superconductors

A. V. Gurevich, R. G. Mints

Research output: Contribution to journalArticlepeer-review

Abstract

This paper contains a study of properties of stable normal (N) regions of finite size -resistive domains (R.D.), in superconductors (S) with transport current I. It is demonstrated that in homogeneous superconductors R.D. are moving due to thermoelectric effect (Thomson heat) while the rate of R.D., vd., for different materials ranges from 1 to 102 cm/s. It is also shown that the thermoelectric effect leads to asymmetry in the rate of the N-S boundary δv, relative to the direction of I, with δv ~ vd. The conditions for localizing R.D. in an inhomogeneous superconductor have been obtained, as well as the I-V characteristics of a sample with R.D. Hysteresis effects are discussed associated with the localization of R.D and the thermoelectric effect.

Original languageEnglish
Pages (from-to)220-223
Number of pages4
JournalIEEE Transactions on Magnetics
Volume17
Issue number1
DOIs
StatePublished - Jan 1981
Externally publishedYes

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