Gutzwiller approximation in the Fermi hypernetted-chain theory

Xiao Qian Wang, Charles E. Campbell

Research output: Contribution to journalArticlepeer-review

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Abstract

We present a general formalism for the variational calculation of the one-body density-matrix and correlation functions for strongly correlated lattice electrons in terms of the Fermi hypernetted-chain (FHNC) diagrammatic expansion. It is shown that, in the limit of infinite spatial dimensions, the local-field-approximate FHNC scheme yields the exact solution for the Gutzwiller wave function, which is equivalent to the result of the Gutzwiller approximation.

Original languageEnglish (US)
Pages (from-to)15984-15987
Number of pages4
JournalPhysical Review B
Volume47
Issue number23
DOIs
StatePublished - 1993

Bibliographical note

Copyright:
Copyright 2015 Elsevier B.V., All rights reserved.

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