Inelastic-scattering rate on thermal conductivity of a dx2−y2 superconductor
E. Schachinger, J. P. Carbotte
DOI 10.1103/PhysRevB.57.13773 · Physical Review B
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Abstract
We calculate the electronic component of the thermal conductivity of a dx2−y2 superconductor. We use a formalism in which the inelastic scattering is modeled explicitly through a spectral density which describes the fluctuation spectrum responsible for the superconducting transition and also for the large inelastic scattering observed in the normal state above Tc. The feedback effect of superconductivity on the spectral density is modeled by a low-frequency cutoff. For values of parameters used to successfully fit the measured microwave peak in pure and Zn- and Ni-doped Y-Ba-Cu-O we obtain good agreement with the experiment for the thermal conductivity. The effect of resonant impurity scattering is also considered, as is the zero-frequency conductivity, the Lorenz number, and the effect on these of the renormalization due to the inelastic scattering.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O6.95 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 100 | Pressure not reported | unknown |
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