Far-from-equilibrium superconductor in fluctuational regime
A. Petković, N. M. Chtchelkatchev, V. M. Vinokur
DOI 10.1103/PhysRevB.84.064510 · Physical Review B
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Abstract
We derive Ginzburg-Landau-type action for a two-dimensional disordered superconductor under far-from-equilibrium conditions in a fluctuational regime. Then, utilizing it, we calculate fluctuation-induced density of states and Maki-Thomson- and Aslamazov-Larkin-type contributions to the in-plane electrical conductivity. We apply our approach to a thin superconducting film sandwiched between a gate and a substrate, which have different temperatures and different electrochemical potentials.
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