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Open Access item Closed-loop liquid-vapor equilibrium in a one-component system

Authors:Almarza, Noé G.
Keywords:Patchy model, closed-loop liquid-vapor equilibrium
Issue Date:5-Sep-2012
Publisher:American Physical Society
Citation:Physical Review - Section E - Statistical Nonlinear and Soft Matter Physics
Abstract:We report Monte Carlo simulations that show a closed-loop liquid-vapor equilibrium in a pure substance. This finding has been achieved on a two-dimensional lattice model for patchy particles that can form network fluids. We have considered related models with a slightly different patch distribution in order to understand the features of the distribution of patches on the surface of the particles that make possible the presence of the closed-loop liquid-vapor equilibrium, and its relation to the phase diagram containing so-called empty liquids. Finally we discuss the likelihood of finding the closed-loop liquid-vapor equilibria on related models for three-dimensional models of patchy particles in the continuum, and speculate on the possible relationship between the mechanism behind the closed-loop liquid-vapor equilibrium of our simple lattice model and the salt-induced reentrant condensation found in complex systems.
Description:Simulación Monte Carlo de un modelo retícular con equilibrio de fases exótico. 4 páginas, 7 figuras.
Publisher version (URL):http://link.aps.org/doi/10.1103/PhysRevE.86.030101
URI:http://hdl.handle.net/10261/55626
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Appears in Collections:(IQFR) Artículos

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