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Finite - temperature quantum phase transition in d - waves superconductors

M. Crisan, D. Bodea, I. Grosu, I. Tifrea

cond-mat.supr-conarXiv:cond-mat/0204210

Abstract

The zero temperature d - wave superconductor phase transition theory given in the case of T=0 for two - dimensional superconductors (I. Herbut, PRL 85, 1532 (2000)) is generalized for finite temperatures. The Gaussian behavior of the system is associated with a non - Fermi behavior of the normal state observed in the resistivity of cuprate superconductors.

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