Anomalous Electrical Conductivity above the Superconducting Transition
Leo P. KadanoffDepartment of Physics, University of Illinois, Urbana, IllinoisGeorge E. LaramoreDepartment of Physics, University of Illinois, Urbana, Illinois
1968en
ABI
Abstract
The rise in the electrical conductivity as a material approaches its superconducting transition is described in terms of fluctuation theory. About ${T}_{c}$ small regions become superconducting and can carry an anomalous current, thereby causing a rise in conductivity. The use of the Kubo formula permits the estimation of the contribution from this source. A comparison of this estimate with previous theories and experiment is carried out.
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