Non-Ohmic critical fluctuation Hall conductivity of layered superconductors in strong electric fields

Details Non-Ohmic critical fluctuation Hall conductivity of layered superconductors in strong electric fields Non-Ohmic critical fluctuation Hall conductivity of layered superconductors in strong electric fields

2004-07-26

arxiv.org/abs/cond-mat/0407668v1

Phys. Rev. B 70, 092507 (2004)

Physics

Condensed Matter

Superconductivity

4 pages, 1 figure, to appear in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.70.092507

The excess Hall conductivity, resulting from thermal fluctuations of the superconducting order parameter, is calculated for a layered superconductor for an arbitrarily strong in-plane electric field and a perpendicular magnetic field in the frame of the time-dependent Ginzburg-Landau theory. The fluctuation Hall conductivity is suppressed in high electric fields much stronger than the longitudinal one. For high-temperature superconductors we predict a pronounced non-Ohmic behavior of the excess Hall effect near the critical temperature in moderate magnetic fields and electric fields of the order of 100 V/cm.

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