Phase diagram and thermodynamic and dynamic anomalies in a pure repulsive model

Andressa A. Bertolazzo and Marcia C. Barbosa

Physica A: Statistical Mechanics and its Applications, 2014, vol. 404, issue C, 150-157

Abstract: Using Monte Carlo simulations a lattice gas model with only repulsive interactions was checked for the presence of anomalies. We show that this system exhibits the density (temperature of maximum density—TMD) and diffusion anomalies as present in liquid water. These anomalous behaviors exist in the region of the chemical potential vs temperature phase diagram where two structured phases are present. A fragile-to-strong dynamic transition is also observed in the vicinity of the TMD line.

Keywords: Lattice gas model; Anomalous liquids; Fragile-to-strong transition; GCMC algorithm (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:404:y:2014:i:c:p:150-157

DOI: 10.1016/j.physa.2014.02.050

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