TEST OF THE QUANTUM-MECHANICAL SUDDEN VIBRATIONAL APPROXIMATION FOR COLLINEAR INELASTIC-COLLISIONS

被引：26

作者：

BOWMAN, JM ^{[1
]}

DROLSHAGEN, G ^{[1
]}

TOENNIES, JP ^{[1
]}

机构：

[1] MAX PLANCK INST STROMUNGSFORSCH,D-3400 GOTTINGEN,FED REP GER

来源：

JOURNAL OF CHEMICAL PHYSICS | 1979年 / 71卷 / 05期

关键词：

D O I：

10.1063/1.438562

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Numerical results for collinear vibrationally inelastic transition probabilities based on a quantum mechanical sudden vibrational approximation are presented. The results are compared with those obtained by replacing the vibrational wave functions by a semiclassical formula. For the exponentially repulsive potential employed, the quantal and semiclassical transition probabilities are given analytically. To test both theories transition probabilities are compared with exact results for three collision systems with different mass ratios as a function of energy. As the relative mass of the atom decreases the quantal approximation becomes quantitatively accurate whereas the semiclassical does not, independent of the energy. © 1979 American Institute of Physics.

引用

页码：2270 / 2274

页数：5

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