A New Iterative Perturbation Scheme for Lattice Models with Arbitrary Filling

Preprint

25 September 1995

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/9509152

Abstract

We derive a new perturbation scheme for treating the large d limit of lattice models at arbitrary filling. The results are compared with exact diagonalization data for the Hubbard model and found to be in good agreement.

Keywords

ITERATIVE PERTURBATION
EXACT DIAGONALIZATION
PERTURBATION SCHEME
ARBITRARY FILLING
LATTICE MODELS
NEW ITERATIVE
HUBBARD MODEL

All Related Versions

Version 1, 1995-09-25, ArXiv
Published version: Physical Review Letters, 77 (1), 131.