Relaxation of a three-level atom in stochastic fields and its spectroscopic properties
Samara National Research University, 443086 Samara, Russia
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Published online: 13 December 2016
Relaxation of a motionless three-level atom with a non-equidistant spectrum in a photon heat bath and an external stochastic field is investigated. In the Markovian approximation of the relaxation processes a master equation for the reduced density matrix is derived by making use of the averaging over realizations of the stochastic field. The master equation is solved exactly. The correlation functions, the shapes of the radiation lines, the intensity correlation and photon number spectrums are calculated for the V, Ξ and Λ atoms and realizations of the stochastic field by a delta-correlated and a Kubo-Anderson processes.
© The Authors, published by EDP Sciences, 2017
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