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Many-polaron problem by cluster perturbation theory

โœ Scribed by M. Hohenadler; G. Wellein; A. Alvermann; H. Fehske

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
296 KB
Volume
378-380
Category
Article
ISSN
0921-4526

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๐Ÿ“œ SIMILAR VOLUMES

Many-body perturbation theory applied to
Many-body perturbation theory applied to small germanium clusters
โœ M.S. Islam; A.K. Ray ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 789 KB

Accurate ab initio molecular-orbital calculations arc performed for small germanium clusters. Many-body perturbation theory has been used to study the effects of electron correlation. Results have been compared with available theoretical and experimental data.

The structure of HSSi+ as determined by
The structure of HSSi+ as determined by fourth-order many-body perturbation theory
โœ Eneida G. Lima; Sylvio Canuto ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 299 KB

The rotational constants of HSSi+ and HSiS+ are calculated by fourth-order many-body perturbation theory utilizing a doublezeta plus polarization basis set. The results agree with a previous CI estimate that HSSi+ (bent) is more stable than HSW (linear) and frequencies of rotational lines are predic

Cluster expansion for the energy of the
Cluster expansion for the energy of the many-electron atom in the nth order of the perturbation theory
โœ Yu.Yu. Dmitriev; V.B. Bochkariov; L.N. Labzovsky; M.N. Zashikhin ๐Ÿ“‚ Article ๐Ÿ“… 1971 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 206 KB

## A clus7er~exponzisn for the nth orqi c: correcrion fo rhe enqy of a mapy-elecrron atom is derived. A possible ap plic;ltion to the calculaticn of the t&d or&r correction to the energy is considuert.