Effect of fluctuations on the transport properties of type-II superconductors in a magnetic field

Salman Ullah and Alan T. Dorsey
Phys. Rev. B 44, 262 – Published 1 July 1991
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Abstract

The time-dependent Ginzburg-Landau theory is used to study both transverse and longitudinal transport properties of a layered superconductor in a magnetic field near the mean-field transition temperature Tc2(H). We evaluate the transport coefficients in the self-consistent Hartree approximation which interpolates smoothly between the high-temperature regime, dominated by Gaussian fluctuations, and the low-temperature flux-flow regime, with no intervening divergence. This behavior is in agreement with the experimental results for the Ettingshausen coefficient, Nernst coefficient, longitudinal conductivity, and Hall conductivity in high-temperature superconductors.

  • Received 18 March 1991

DOI:https://doi.org/10.1103/PhysRevB.44.262

©1991 American Physical Society

Authors & Affiliations

Salman Ullah and Alan T. Dorsey

  • Department of Physics, University of Virginia, McCormick Road, Charlottesville, Virginia 22901

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Vol. 44, Iss. 1 — 1 July 1991

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