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Diagrammatic many-body perturbation expansion for atoms and molecules: IV. Fourth-order linked diagrams involving quadruply-excited states

โœ Scribed by Stephen Wilson; David M. Silver

Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
317 KB
Volume
17
Category
Article
ISSN
0010-4655

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The efficient evaluation of the second-order expression in the many-body perturbation theory expansion for the correlation energy on vector processing and parallel processing computers is discussed. It is argued that the linked diagram theorem not only leads to the well known theoretical advantages