Buckling instability in type-II superconductors with strong pinning
R.G. Mints, E.H. Brandt
TL;DR
This paper predicts a new buckling instability in thin type-II superconductors with strong pinning, which occurs in high magnetic fields and can cause periodic flux jumps in magnetization.
Contribution
It introduces a novel elastic buckling instability criterion for the critical state in type-II superconductors with strong pinning.
Findings
Instability appears in high perpendicular magnetic fields.
Can cause periodic flux jumps in magnetization curves.
Applied criteria to a long rectangular strip.
Abstract
We predict a novel buckling instability in the critical state of thin type-II superconductors with strong pinning. This elastic instability appears in high perpendicular magnetic fields and may cause an almost periodic series of flux jumps visible in the magnetization curve. As an illustration we apply the obtained criteria to a long rectangular strip.
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