Geodesic
Relaxation in the system of vibrational levels of a harmonic oscillator
Teoretičeskaâ i matematičeskaâ fizika, Tome 38 (1979) no. 1, pp. 128-138 
È. G. Petrov; V. I. Teslenko. Relaxation in the system of vibrational levels of a harmonic oscillator. Teoretičeskaâ i matematičeskaâ fizika, Tome 38 (1979) no. 1, pp. 128-138. http://geodesic.mathdoc.fr/item/TMF_1979_38_1_a12/
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Voir la notice de l'article provenant de la source Math-Net.Ru

The nonequilibrium density matrix method for a quantum subsystem is used to consider energy transitions between the vibrational levels of a harmonic oscillator which interacts with a thermal bath. Kinetic equations are obtained for the populations of the equidistant levels and the times of internal conversion, which govern the transition to the equilibrium state, are found.

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