Bursill, R.J.; Matsubara, T.; Thompson, C.J.; Yang, Y.S. - In: Physica A: Statistical Mechanics and its Applications 234 (1996) 1, pp. 76-88
A mean-field version of a simplified model for liquid metals, which consists of a lattice gas of atoms and a collection of spinless fermions that are free to hop among occupied atomic sites, is solved exactly. Phase diagrams and phase transition properties are studied for two special cases. It...