Dephasing by time-dependent random potentials
Takeshi Nakanishi, Tomi Ohtsuki, Tohru Kawarabayashi
Abstract
Diffusion of electrons in a two-dimensional system with time-dependent random potentials is investigated numerically. The correction to the conductivity due to inelastic scatterings by oscillating potentials is shown to be a universal function of the frequency ω, which is consistent with the weak localization prediction (e2)/(3π2 ) log ω.
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