Interacting Fermions: Correlation Functions Obtained with the Gutzwiller Wave Function

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Copyright (c) 1987 The Japan Society of Applied Physics
, , Citation Florian Gebhard and Dieter Vollhardt 1987 Jpn. J. Appl. Phys. 26 481 DOI 10.7567/JJAPS.26S3.481

1347-4065/26/S3-1/481

Abstract

A recently developed analytic approach is used to calculate correlation functions for interacting spin-1/2 fermions on a lattice in terms of the Gutzwiller wave function. In one dimension the evaluations are performed analytically and without any approximation. Whenever possible comparison with exact results (Hubbard-model, spinless fermions) is made.

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10.7567/JJAPS.26S3.481