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Nonlinear response of type-II superconductors in the mixed state in slab geometry

Mark W. Coffey

DOI 10.1103/PhysRevB.47.15298 · Physical Review B

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Abstract

The nonlinear response of a type-II superconductor of finite thickness arising from vortex motion is investigated. The results of the phenomenological theory extend the complex rf magnetic permeability and conductivity to a specific regime of nonlinear response. Explicit expressions for the complex penetration depths, amplitudes, fields, and densities for the second-harmonic response with various boundary conditions are presented.

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