Effects of thermal phase fluctuations in a two-dimensional superconductor: an exact result for the spectral function.

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 funct...

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Main Authors: Tsvelik, A, Essler, F
格式: Journal article
语言:English
出版: 2010