Geodesic
The influence functional method to the description of the dynamics of quantum systems interacting with the laser radiation
Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, no. 2 (2013), pp. 185-192

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The description of interacting multilevel quantum system and quantum electromagnetic field in terms of statistical density matrix is considered in path integral approach. The statistical operator and probability transitions of quantum system are represented as mean of electromagnetic field influence functional. The influence functionals are defined for specific models of electromagnetic field. The explicit form for single- and multimode electromagnetic field is concretized in cases when initial state of the field is represented by vacuum and pure coherent.
Keywords: path integrals, influence functional method. 
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     author = {A. A. Biryukov and M. A. Shleenkov},
     title = {The influence functional method to the description of the dynamics of quantum systems interacting with the laser radiation},
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     pages = {185--192},
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A. A. Biryukov; M. A. Shleenkov. The influence functional method to the description of the dynamics of quantum systems interacting with the laser radiation. Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, no. 2 (2013), pp. 185-192. http://geodesic.mathdoc.fr/item/VSGTU_2013_2_a20/