High-frequency electrodynamic response of strongly anisotropic clean normal and superconducting metals
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Colleges, School and Institutes
We consider the influence of quasiparticle relaxation and nonlocality on the complex conductivity and microwave surface impedance of isotropic and quasi-two-dimensional metals in the normal and superconducting states for arbitrary electronic parameters intermediate between the classical skin effect and extreme anomalous limits. We describe the superconducting state by a two-fluid model with a nonlocal, retarded quasiparticle response and derive an expression for the surface impedance at low temperatures in the extreme anomalous limit. We show how microwave measurements can be used to probe the k dependence of the superconducting order parameter in layered materials.
|Number of pages||1|
|Journal||Physical Review B|
|Early online date||1 Jun 2001|
|Publication status||Published - 1 Jul 2001|