Collapse of the critical state in superconducting niobium

Ruslan Prozorov*, Daniel V. Shantsev, Roman G. Mints

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Giant abrupt changes in the magnetic-flux distribution in niobium foils were studied by using magneto-optical visualization, thermal, and magnetic measurements. Uniform flux jumps and sometimes almost total catastrophic collapse of the critical state are reported. Results are discussed in terms of thermomagnetic instability mechanism with different development scenarios.

Original languageEnglish
Article number220511
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume74
Issue number22
DOIs
StatePublished - 2006

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