Critical scaling of thermal transport in model A dynamics for a superconductor

We consider the scaling of thermal transport in the presence of electric and magnetic fields near the finite temperature transition from the metallic normal state to the superconductor. We do so with fully relaxational, model A, dynamics for the order parameter and particle-hole symmetry. This enabl...

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Bibliographic Details
Main Authors Ussishkin, Iddo, Huse, David A, Sondhi, S. L
Format Journal Article
LanguageEnglish
Published 01.11.2004
Subjects
Physics - Superconductivity
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Summary:We consider the scaling of thermal transport in the presence of electric and magnetic fields near the finite temperature transition from the metallic normal state to the superconductor. We do so with fully relaxational, model A, dynamics for the order parameter and particle-hole symmetry. This enables us to determine the exact scaling dimension of the heat current operator and hence critical exponents for all transport coefficients in terms of the (approximately) known values of the correlation length exponent and the dynamic scaling exponent. In particular, we determine the critical behavior for the Nernst coefficient.
DOI:10.48550/arxiv.cond-mat/0411040