Weak- to strong pinning crossover

Abstract

Material defects in hard type II superconductors pin the flux lines and thus establish the dissipation-free current transport in the presence of a finite magnetic field. Depending on the density and pinning force of the defects and the vortex density, pinning is either weak-collective or strong. We analyze the weak- to strong pinning crossover of vortex matter in disordered superconductors and discuss the peak effect appearing naturally in this context.

4 pages, 2 figures

References in corpus (1)

• Strong Pinning and Plastic Deformations of the Vortex Lattice

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