title: Square lattice gases with two- and three-body interactions revisited: a row-shifted (2x2) phase.
abstract: Monte Carlo simulations have been used to study the phase diagrams for square Ising-lattice-gas models with two- and three-body interactions for values of interaction parameters in a range that has not been previously considered. We find unexpected qualitative differences as compared with predictions made on general grounds.
authors.affiliation: Center for Simulational Physics, University of Georgia, Athens, Georgia 30602, USA.
authors.forename: Junqi
authors.initials: J
authors.lastname: Yin
authors.forename: D P
authors.initials: DP
authors.lastname: Landau
mesh_terms: D000465:Algorithms; D003198:Computer Simulation; D005740:Gases / Q000737:chemistry*; D008956:Models, Chemical
chemical_list: D005740:Gases