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Anisotropic time-dependent London approach: Application to the ac response in the Meissner state

V. G. Kogan, R. Prozorov

DOI 10.1103/PhysRevB.102.184514 · Physical Review B

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Abstract

The anisotropic London equations taking into account the normal currents are derived and applied to the problem of the surface impedance in the Meissner state of anisotropic materials. It is shown that the complex susceptibility of the anisotropic slab depends on the orientation of the applied microwave field relative to the crystal axes. In particular, the anisotropic sample in the microwave field is subject to a torque, unless the field is directed along one of the crystal principle axes.

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