Influence of thermal phase fluctuations on the spectral function for a two-dimensional d-wave superconductor
M. Khodas, A. M. Tsvelik
DOI 10.1103/PhysRevB.81.094514 · Physical Review B
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Abstract
We study the spectral function of a two-dimensional superconductor in a regime of strong phase fluctuations. Although the developed approach is valid for any symmetry, we concentrate on d-wave superconductors. We obtain analytical expressions for the single electron Green’s function below the transition temperature and have worked out a way to extrapolate it for a finite temperatures above Tc. The suggested approach is easily generalizable for other models with critical fluctuations.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2Sr2CaCu2O8+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| La2-xSrxCuO4 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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