Zero-temperature d-wave superconducting phase transition
Superconductivity
2009-10-31 v2 Disordered Systems and Neural Networks
Abstract
The Ginzburg-Landau-Wilson theory that describes the disordered Fermi liquid - d-wave superconductor phase transition at zero temperature is derived at weak coupling. The theory represents an interacting dissipative system of bosonic Cooper pairs in an effective random potential. I show that there exists a wide crossover regime in the theory controlled by a line of Gaussian fixed points, each of which in two dimensions is characterized by a different universal value of the dc critical conductivity. Relation to experiments on overdoped and underdoped cuprates is discussed.
Cite
@article{arxiv.cond-mat/0004055,
title = {Zero-temperature d-wave superconducting phase transition},
author = {Igor F. Herbut},
journal= {arXiv preprint arXiv:cond-mat/0004055},
year = {2009}
}
Comments
RevTex, 4 pages, 2 ps figs, published version