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Residual entropy and waterlike anomalies in the repulsive one dimensional lattice gas

2015; American Institute of Physics; Volume: 142; Issue: 14 Linguagem: Inglês

10.1063/1.4916905

1520-9032

Fernando Barbosa V. da Silva, Fernando A. Oliveira, Marco Aurélio A. Barbosa,

Advanced Thermodynamics and Statistical Mechanics

The thermodynamic and kinetics of the one dimensional lattice gas with repulsive interaction is investigated using transfer matrix technique and Monte Carlo simulations. This simple model is shown to exhibit waterlike anomalies in density, thermal expansion coefficient and self diffusion. An unified description for the thermodynamic anomalies in this model is achieved based on the ground state residual entropy which appears in the model due to mixing entropy in a ground state phase transition.