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Comment on symmetry-adapted perturbation theories

✍ Scribed by Daniel M. Chipman


Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
257 KB
Volume
40
Category
Article
ISSN
0009-2614

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πŸ“œ SIMILAR VOLUMES


Comments on the symmetry-adapted perturb
✍ Noboru Suzuki; Y.J. I'Haya πŸ“‚ Article πŸ“… 1975 πŸ› Elsevier Science 🌐 English βš– 396 KB

Symmclry-adapted pcrlurbntion theories published so far are criticised. I<stra conditions imposed in most of these formalisms arc found to be not al.,~ays physically adcquatz. N'e conclude that the form&m proposed by Hirschfclder 2nd Silbey is ihc mosl appropriate.

Double perturbation theory and symmetry
✍ A.T. Amos; J.A. Yoffe πŸ“‚ Article πŸ“… 1975 πŸ› Elsevier Science 🌐 English βš– 430 KB

A formulation of double perturbation theory is described which allows symmetry to be included in those cases where the z,ereorder hamiltonian does not contiin the full symmetry of the problem. As an example-we apply the fl~cov to the Epstein-Johnson spin model. 1 .-Introduction 2. Theory Some years