Electromagnetic Absorption in an Anisotropic Layered Superconductor
Abstract
We calculate the infrared conductivity tensor of a layered superconductor considering two different order parameter symmetries: strongly anisotropic s-wave with line nodes, and pure (dx2-y2) d-wave. The calculations are performed within the quasiclassical theory of superconductivity and include the effects of non-magnetic scattering processes. We discuss to what extent measurements of the optical absorption can be relied upon to distinguish between these two order parameter symmetries.
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