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Open Access item Phase diagram of a two-dimensional lattice gas model of a ramp system

Authors:Almarza, Noé G.
Capitán, J. A.
Cuesta, J. A.
Lomba, Enrique
Keywords:Monte Carlo Simulation, Lattice Model, Phase diagram, Ramp model
Issue Date:24-Sep-2009
Publisher:American Institute of Physics
Citation:Journal of Chemical Physics, 131, 124506 (2009)
Abstract:Using Monte Carlo simulation and fundamental measure theory we study the phase diagram of a two-dimensional lattice gas model with a nearest neighbor hard core exclusion and a next-to-nearest neighbor finite repulsive interaction. The model presents two competing ranges of interaction and, in common with many experimental systems, exhibits a low density solid phase, which melts back to the fluid phase upon compression. The theoretical approach is found to provide a qualitatively correct picture of the phase diagram of our model system
Publisher version (URL):http://dx.doi.org/10.1063/1.3223999
Appears in Collections:(IQFR) Artículos

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