Algebraic methods applied to the study of energy transfer in anharmonic systems

被引：1

作者：

Mendoza-Garcia, A. ^{[1
,2
]}

Romero-Depablos, A. ^{[1
,2
]}

Recamier, J. ^{[1
]}

Mochan, W. L. ^{[1
]}

Paz, J. L. ^{[2
]}

机构：

[1] Univ Nacl Autonoma Mexico, Inst Ciencias Fis, Cuernavaca 62251, Morelos, Mexico

[2] Univ Simon Bolivar, Dept Quim, Caracas 1080A, Venezuela

来源：

MOLECULAR PHYSICS | 2010年 / 108卷 / 24期

关键词：

deformed oscillator; Morse potential; transition probabilities; MORSE OSCILLATOR; COLLINEAR COLLISION; ATOM; APPROXIMATION; MODEL; MOLECULES; OPERATORS;

D O I：

10.1080/00268976.2010.513341

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：

We make use of two different methodologies to study the transition probabilities in a molecular anharmonic system in the presence of an external perturbation. For the first method, we use a series expansion of the displacement coordinate keeping up to fourth order terms; for the second method we use a deformed algebra to approximate the anharmonic Hamiltonian via a harmonic oscillator's Hamiltonian written in terms of deformed operators. We evaluate vibrational transition probabilities as a function of the collision energy and compare the results obtained with the two approaches.

引用

页码：3417 / 3424

页数：8

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