Flux creep in type-II superconductors: The self-organized criticality approach
R. G. Mints, Ilya Papiashvili
DOI 10.1103/PhysRevB.71.174509 · Physical Review B
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Abstract
We consider the current density distribution function of a flux-creep regime in type-II superconductors by mapping flux creep to a model with a self-organized criticality. We use an extremal equal-redistribution-type model which evolves to Bean’s state, to treat magnetic flux penetration into superconductors and derive analog of current-voltage characteristics in the flux-creep region.
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