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    1/d corrections for interacting spinless fermions: One-particle properties

    One-particle properties of the spinless fermion model with repulsion at half filling are calculated within an approach correct to first order in the inverse of the lattice dimensiond. Continuity of the limitd→∞ r...

    E. Halvorsen, G. S. Uhrig, G. Czycholl in Zeitschrift für Physik B Condensed Matter (1994)