Hall tunneling of vortices in superclean superconductors

Abstract

We discuss the main features of Hall tunneling of pancake vortices in superclean high-Tc superconductors. The general formalism for the calculation of the lifetime of a vortex pinned in a metastable configuration is described. The results are applied to the problem of quantum tunneling of a pancake vortex from a columnar defect in the limit of a small driving current.

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