Thermodynamics of a retardedd-wave superconductor with resonant impurity scattering
- 1 June 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 47 (22), 15152-15158
- https://doi.org/10.1103/physrevb.47.15152
Abstract
Using a formula for the free energy of an Eliashberg d-wave superconductor, which includes multiple impurity scattering, we study thermodynamic properties. Results are given for two values of the coupling strength between superconducting electrons and antiferromagnetic-spin fluctuations, which are assumed to stabilize the superconductivity. Various impurity-scattering strengths are considered both in the Born approximation and in the unitary limit and a comparison between the two cases is made.Keywords
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