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Complete nonstationary density matrix of electron-phonon system in the functional integration representation

✍ Scribed by E. P. Pokatilov; V. M. Fomin


Book ID
112465624
Publisher
SP MAIK Nauka/Interperiodica
Year
1978
Tongue
English
Weight
598 KB
Volume
36
Category
Article
ISSN
0040-5779

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## Abstract A method of calculation of the correlation energy is proposed, which includes the superposition of configurations and the two particle approach. This method is based on the density matrix formalism. The approximate, but __N__‐representable expressions for the reduced density matrices ar