The c-axis fluctuation conductivity in layered superconductors in a strong electric field under a magnetic field
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- Tinh, B.D. Eur. Phys. J. B (2017) 90: 106. doi:10.1140/epjb/e2017-80053-4
The effect of a high electric field on the c-axis fluctuation conductivity in layered superconductors near the superconducting transition is investigated by the time-dependent Ginzburg-Landau equation. The c-axis fluctuation conductivity is calculated in self-consistent Gaussian approximation for an arbitrarily strong electric field and a magnetic field perpendicular to the layers. Our results include all Landau levels and have refined analytical form. The results in linear response are in good agreement with the experimental data in a wide region around Tc in high Tc superconductor. We also show that high electric fields can be effectively used to suppress the c-axis fluctuation conductivity in high-temperature superconductors.