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cond-mat.str-el2002★ 240 cited
Cluster Perturbation Theory for Hubbard models
D. Sénéchal, D. Pérez, D. Plouffe
Cluster perturbation theory is a technique for calculating the spectral weight of Hubbard models of strongly correlated electrons, which combines exact diagonalizations on small cl…
cond-mat.str-el1999★ 403 cited
The spectral weight of the Hubbard model through cluster perturbation theory
D. Senechal, D. Perez, M. Pioro-Ladriere
We calculate the spectral weight of the one- and two-dimensional Hubbard models, by performing exact diagonalizations of finite clusters and treating inter-cluster hopping with per…