Phenomenological correlations in high-temperature superconductors
Superconductivity
2014-07-15 v1
Abstract
An interpretation of the quadratic parameter of the Ginzburg-Landau theory of superconductivity is presented in this paper. The negative term in the potential, which allows the spontaneous symmetry breaking, is interpreted as a direct contribution from the energy gap at the Fermi surface to the effective potential. As a result, in the London approximation of the Ginzburg-Landau theory for type-II superconductors, a strong correlation is predicted and observed between the upper critical field at zero kelvin and the critical temperature in high temperature superconductors.
Cite
@article{arxiv.1407.3424,
title = {Phenomenological correlations in high-temperature superconductors},
author = {Miguel C. N. Fiolhais and Joseph L. Birman},
journal= {arXiv preprint arXiv:1407.3424},
year = {2014}
}
Comments
4 pages, 2 figures