Harmonic oscillator Green's function

被引：5
|
作者：
Macek, JH [1 ]
Ovchinnikov, SY
Khrebtukov, DB
机构：
[1] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
[2] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA
来源：
RADIATION PHYSICS AND CHEMISTRY | 2000年 / 59卷 / 02期
基金：
美国国家科学基金会;
关键词：
Green's function; harmonic oscillator; collisions;
D O I：
10.1016/S0969-806X(00)00285-1
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：
The Green's function for the harmonic oscillator in three dimensions plays an important role in the theory of atomic collisions. One representation of low-energy ion-atom collisions involves harmonic oscillator potentials. A closed-form expression for the harmonic oscillator Green's function, needed to exploit this representation, is derived. This expression is similar to the expression for the Coulomb Green's function obtained by Hostler and Pratt. Calculations of electron distributions for a model system of ion-atom collisions are reported to illustrate the theory. (C) 2000 Elsevier Science Ltd. All rights reserved.
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页码：149 / 153
页数：5
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