Rigination and osc illations of normal zone in superconductors

V. P. Baev, A. Vl Gurevich, R. G. Mints, M. S. Ushomirsky

Research output: Contribution to journalArticlepeer-review


Dynamics of normal (N) zone regions (resistive domains) in uniform and nonuniform superconductors has been investigated both theoretically and experimentally An analytical theory has been proposed to describe the resistive domains’ (RD) dynamic nonuniform superconductors with the alternating current. The origination and localization of RD have been considered. The self-exited relaxation oscillations of the voltage were observed experimentally. The oscillations are due to the self-exited ones of the RD length when the inductance of the circuit is large enough. The superconducting sample in our experiment was made from the multifilament Nb-40%Ti cable, the characteristic values of the oscillations frequency f and the inductance L were of the order of 1 Hz and 20 μH respectively. The theory proposed is in a good agreement with the experiment.

Original languageEnglish
Pages (from-to)236-239
Number of pages4
JournalIEEE Transactions on Magnetics
Issue number3
StatePublished - May 1983
Externally publishedYes


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