Effects of Thermal Phase Fluctuations in a Two-Dimensional Superconductor: An Exact Result for the Spectral Function
A. M. Tsvelik, F. H. L. Essler
DOI 10.1103/PhysRevLett.105.027002 · Physical Review Letters
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Abstract
We consider the single particle spectral function for a two-dimensional clean superconductor in a regime of strong critical thermal phase fluctuations. In the limit where the maximum of the superconducting gap is much smaller than the Fermi energy we obtain an exact expression for the spectral function integrated over the momentum component perpendicular to the Fermi surface.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| La1.875Ba0.125CuO4 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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