Transport in unconventional superconductors: Application to liquid He3 in aerogel
Dietrich Einzel, Jeevak M. Parpia
DOI 10.1103/PhysRevB.72.214518 · Physical Review B
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Abstract
We consider quite generally the transport of energy and momentum in unconventional superconductors and Fermi superfluids to which both impurity scattering (treated within the t-matrix approximation) and inelastic scattering contributes. A new interpolation scheme for the temperature dependence of the transport parameters is presented which preserves all analytical results available for T→0 and T→Tc and allows for a particularly transparent physical representation of the results. The two scattering processes are combined using Matthiessen’s rule coupling. This procedure is applied for the first time to He3−B in aerogel. Here, at the lowest temperatures, a universal ratio of the thermal conductivity and the shear viscosity is found in the unitary limit, which is akin to the Wiedemann-Franz law.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Sr2RuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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