Jȩdrzejewski, J.; Lach, J.; Łẏwa, R. - In: Physica A: Statistical Mechanics and its Applications 154 (1989) 3, pp. 529-543
Properties of grounds states of an itinerant electron model (which can be regarded as the one-band, spinless Falicov-Kimball model) beyond the hole-particle symmetry point are studied. The underlying lattice is chosen to be a square lattice. Using exact and numerical arguments it is shown that...