Abstract
The collisional transfer of nonequilibrium in the velocity distribution of resonant particles in a laser radiation field is investigated theoretically. It is shown numerically that the transfer effect is weak. This makes it possible to use simpler approximate one-dimensional quantum kinetic equations instead of three-dimensional equations to solve spectroscopy and light-induced gas kinetics problems, where it is important to take account of the velocity dependence of the collision frequency. It is shown for anomalous light-induced drift, calculations of which are most sensitive to neglecting the transfer effect, that in a wide range of spectroscopy and light-induced gas kinetics problems the transfer of nonequilibrium can be neglected without risking the loss of important fine details of the phenomena being described.
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Translated from Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 118, No. 2, 2000, pp. 279–290.
Original Russian Text Copyright © 2000 by Parkhomenko, Shalagin.
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Parkhomenko, A.I., Shalagin, A.M. On the collisional transfer of nonequilibrium in the velocity distribution of resonant particles in a laser radiation field. J. Exp. Theor. Phys. 91, 245–254 (2000). https://doi.org/10.1134/1.1311983
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DOI: https://doi.org/10.1134/1.1311983