Thermal Conductivity and Charge Relaxation in Strong-Coupling Superconductors
- 30 August 1982
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 49 (9), 689-692
- https://doi.org/10.1103/PhysRevLett.49.689
Abstract
The temperature-dependent thermal conductivity and the charge relaxation time of a strong-coupling superconductor are determined from solutions to the Eliashberg equations and a kinetic equation for the distribution function. The results yield a pronounced maximum at low temperatures in the thermal conductivity of pure Pb and a gradual disappearance of the maximum with increasing amounts of impurity scattering.Keywords
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