A quasi-classical description of the stochastic dynamics of a Rydberg electron in a diatomic quasi-molecular complex

被引：0
|
作者：
N. N. Bezuglov
V. M. Borodin
A. Eckers
A. N. Klyucharev
机构：
[1] St. Petersburg University (Petrodvorets Branch),Institute of Physics
[2] University of Kaiserslautern,Department of Physics
来源：
Optics and Spectroscopy | 2002年 / 93卷
关键词：
Internuclear Distance; Quantum Defect; Kinetic Description; Alkali Metal Atom; Dynamic Chaos;
D O I：
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学科分类号：
摘要：
We investigate the stochastic migration of a Rydberg electron (RE) along its Coulomb energy spectrum in the variable electric field of a quasi-molecular ion produced in a symmetric collision between two alkali metal atoms. We give a kinetic description of the RE time evolution in the quasi-classical approximation using Fokker-Planck-type equations. The corresponding diffusion coefficient is derived in analytic form by taking into account the quantum defect for energy levels. We calculate the rate constants for diffusion ionization in Na**(nP)+Na(3S) collisions. Good agreement with experimental data is shown.
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页码：661 / 669
页数：8
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