Theory of the superfluid density tensor in unconventional superconductors: Impurity scattering and band-structure effects
C. H. Choi, Paul Muzikar
DOI 10.1103/PhysRevB.39.11296 · Physical Review B
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Abstract
We consider the superfluid density tensor ρs in both singlet and triplet unconventional superconductors. We develop theoretical expressions for ρs which incorporate both band-structure effects and impurity scattering; these expressions simplify considerably in the Ginzburg-Landau region close to Tc. We also present the results of numerical calculations showing ρs as a function of temperature for several different unconventional order parameters.
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