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Approximate calculation of the correlation energy for the closed and open shells

✍ Scribed by Renato Colle; Oriano Salvetti

Publisher
Springer
Year
1979
Tongue
English
Weight
351 KB
Volume
53
Category
Article
ISSN
1432-2234

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πŸ“œ SIMILAR VOLUMES

On a new partitioning of the Hamiltonian
On a new partitioning of the Hamiltonian in many-body calculation of pair-correlation energies in closed-shell systems
✍ Atri Mukhopadhyay; Raj Kumar Moitra; Debashis Mukherjee πŸ“‚ Article πŸ“… 1975 πŸ› John Wiley and Sons 🌐 English βš– 476 KB

## Abstract We introduce here a new partitioning of the Hamiltonian in calculating pair‐correlation energies using many‐body perturbation theory, by which we are able to eliminate the off‐diagonal particle–hole (__p__–__h__) ladders exactly to all orders in the perturbation expansion. In this formu