On the mean field instability of a random model for disordered superconductors (Q1110933)
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scientific article; zbMATH DE number 4074165
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On the mean field instability of a random model for disordered superconductors |
scientific article; zbMATH DE number 4074165 |
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On the mean field instability of a random model for disordered superconductors (English)
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1988
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A phenomenological model for a strongly disordered superconductor is considered. This is a modification of the \textit{J. Bardeen}, \textit{L. Cooper} and \textit{J. Schrieffer} [J. Phys. Rev. 108, 1175 ff (1957)] approach for a system with random phonon-electron interaction. We show that the instability of its mean field theory cannot be fitted by a power law with a positive exponent, in contrast to a recent result based on perturbation theory.
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strongly disordered superconductor
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instability
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mean field theory
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perturbation theory
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0.6696116924285889
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