Dynamical Keldysh model for colored noise and finite relaxation rate
F. Z. Bendjeddou, D. V. Efremov, M. N. Kiselev
Abstract
The Keldysh model describes quantum dots subjected to Gaussian noise with infinite correlation time. For multi-component noise coupled through non-commuting matrices, the spectrum exhibits a pseudogap. We solve the model for coloured noise with any correlation time, 1/ γ. Finite memory leads to the pseudogap being filled, its peaks merging and the line narrowing.
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