Abstract

The model of two electronic levels coupled to a single vibrational mode, which dissipates its energy to a bath, is studied theoretically by means of quantum master equation. It is shown that the rate constant of excited-state decay exhibits strong resonant peaks for integer values of the ratio of vertical electronic energy and vibrational energy quantum. These results are in agreement with those previously published for the model GaAs quantum dot system and studied by means of the non-equilibrium Green's function method.

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