Approximate and exact quantum mechanical energies and eigenfunctions for a system of coupled oscillators

M. Cohen; Susanne Greita; R. P. McEarchran

doi:10.1016/0009-2614(79)80609-0

Approximate and exact quantum mechanical energies and eigenfunctions for a system of coupled oscillators

M. Cohen^*
, Susanne Greita
, R. P. McEarchran

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

77 Scopus citations

Abstract

A non-separable model hamiltonian, which describes the normal vibrations of a pair of coupled oscillators, has been solved by a number of approximation procedures, and approximate solutions compared with the "exact" solutions. The results of a simple perturbation theory calculation are seen to be rather more reliable than those of self-consistent-field model.

Original language	English
Pages (from-to)	445-450
Number of pages	6
Journal	Chemical Physics Letters
Volume	60
Issue number	3
DOIs	https://doi.org/10.1016/0009-2614(79)80609-0
State	Published - 15 Jan 1979
Externally published	Yes

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abstract = "A non-separable model hamiltonian, which describes the normal vibrations of a pair of coupled oscillators, has been solved by a number of approximation procedures, and approximate solutions compared with the {"}exact{"} solutions. The results of a simple perturbation theory calculation are seen to be rather more reliable than those of self-consistent-field model.",

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AB - A non-separable model hamiltonian, which describes the normal vibrations of a pair of coupled oscillators, has been solved by a number of approximation procedures, and approximate solutions compared with the "exact" solutions. The results of a simple perturbation theory calculation are seen to be rather more reliable than those of self-consistent-field model.

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Approximate and exact quantum mechanical energies and eigenfunctions for a system of coupled oscillators

Abstract

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