Effect of a strong interaction of a quantum dot with the phonon and fermion reservoirs on the exciton self-energy functions

Abstract

© 2019 IOP Publishing Ltd. All rights reserved. The problem of description of the strong interaction of a quantum dot with the acoustic phonon and electron reservoirs is investigated. It is shown that the generalized dynamical equation derived in [Gainutdinov R.Kh. 1999 J. Phys. A 32 5675] as the most general eqution of motion provides an effective way to solve the problem of the description of the interaction of quantum dots with the phonon and electron reservoirs beyond the perturbation theory. It is shown that for some values of the parameters characterizing the interaction of quantum dots in the exciton regime self-energy functions differ profoundly from that obtained in the second-Born approximation.