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https://dipositint.ub.edu/dspace/handle/2445/199749| Title: | Variational localized-site cluster expansions. II. Trees and near trees |
| Author: | Klein, D.J. García Bach, Ma. de los Ángeles |
| Keywords: | Termodinàmica estadística Teoria de grafs Arbres Statistical thermodynamics Graph theory Trees |
| Issue Date: | 1976 |
| Publisher: | American Institute of Physics (AIP) |
| Abstract: | Cluster expanded wavefunctions involving localized‐site states and only pair excitations between nearest neighbor sites are considered. In the case that the bonds connecting these nearest neighbor sites form a tree graph (without rings), exact matrix element formulas are obtained in terms of the inverse of a modified type of topological matrix associated with this tree graph. The treatment of some near‐tree cases, without any touching rings, is also discussed. |
| Note: | Reproducció del document publicat a: https://doi.org/10.1063/1.432144 |
| It is part of: | Journal of Chemical Physics, 1976, vol. 64, p. 4873-4877 |
| URI: | https://hdl.handle.net/2445/199749 |
| Related resource: | https://doi.org/10.1063/1.432144 |
| ISSN: | 0021-9606 |
| Appears in Collections: | Articles publicats en revistes (Física de la Matèria Condensada) |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| 003446.pdf | 363.98 kB | Adobe PDF | View/Open |
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