Critical Behavior of High Temperature Superconductors
AUTOR(ES)
Calan, Claude de
FONTE
Brazilian Journal of Physics
DATA DE PUBLICAÇÃO
2001-06
RESUMO
We consider the scaling behavior in the critical domain of superconductors at zero external magnetic field. The Josephson's relation for a charged superfluid is proved without assuming the hyperscaling relation. On the other hand we discuss the dual Ginzburg-Landau model. In this dual model, due to the presence of two mass scales, a continuous family of non equivalent scalings can be defined. The relevant critical regimes are identified, and the corresponding critical exponents are predicted.
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