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The density matrix for a metal

✍ Scribed by J.C. Stoddart


Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
190 KB
Volume
61
Category
Article
ISSN
0375-9601

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## Abstract The ground‐state energy of the beryllium atom is calculated using a variational procedure in which the elements of the two‐body reduced density matrix (particle–particle matrix) are the variational parameters. It is shown that, for this problem and with the limited number of spin‐orbita