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cond-mat.str-el2005
Electron correlations in a C fullerene cluster: A lattice density-functional study of the Hubbard model
R. Lopez-Sandoval, G. M. Pastor
The ground-state properties of C fullerene clusters are determined in the framework of the Hubbard model by using lattice density-functional theory (LDFT) and scaling approx…
cond-mat.str-el2003
Interaction energy functional for lattice density functional theory: Applications to one-, two- and three-dimensional Hubbard models
R. Lopez-Sandoval, G. M. Pastor
The Hubbard model is investigated in the framework of lattice density functional theory (LDFT). The single-particle density matrix with respect the lattice sites is consid…
cond-mat.str-el2002
Electronic properties of the dimerized one-dimensional Hubbard model using lattice density-functional theory
R. Lopez-Sandoval, G. M. Pastor
The dimerized one-dimensional Hubbard model is studied in the framework of lattice density-functional theory (LDFT). The single-particle density matrix gamma_{ij} with respect to t…