Critical behavior of hard-core lattice gases: Wang-Landau sampling with adaptive windows

Details Critical behavior of hard-core lattice gases: Wang-Landau sampling with adaptive windows Critical behavior of hard-core lattice gases: Wang-Landau sampling with adaptive windows

2010-06-29

arxiv.org/abs/1006.5616v1

Physics

Condensed Matter

Statistical Mechanics

20 pages, 11 figures

Scientific paper

Critical properties of lattice gases with nearest-neighbor exclusion are investigated via the adaptive-window Wang-Landau algorithm on the square and simple cubic lattices, for which the model is known to exhibit an Ising-like phase transition. We study the particle density, order parameter, compressibility, Binder cumulant and susceptibility. Our results show that it is possible to estimate critical exponents using Wang-Landau sampling with adaptive windows. Finite-size-scaling analysis leads to results in fair agreement with exact values (in two dimensions) and numerical estimates (in three dimensions).

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