21 April 2016 Relaxation of a three-level atom interacting with a thermostat and an external stochastic field
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Abstract
Relaxation of a three-level atom with non-equidistant spectrum interacting with a thermostat and an external stochastic field is studied. The master equation for the reduced density matrix and its solution in the first order of the perturbation theory are obtained. Using quantum regression theorem, explicit formulas for two-time correlation functions and shapes of radiation lines are derived for all types of three-level atoms and the following stochastic processes: a delta-correlated process and a Kubo-Anderson process. The influence of stochastic perturbations of atom’s energy levels and damping constants of adjacent transitions on width of radiation lines is shown.
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Victor A. Mikhailov, Nikolay V. Troshkin, "Relaxation of a three-level atom interacting with a thermostat and an external stochastic field", Proc. SPIE 9917, Saratov Fall Meeting 2015: Third International Symposium on Optics and Biophotonics and Seventh Finnish-Russian Photonics and Laser Symposium (PALS), 991731 (21 April 2016); doi: 10.1117/12.2229651; https://doi.org/10.1117/12.2229651
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