Critical behavior of a two-species reaction–diffusion problem in 2D

D. Bertrand, Y. Siqueira, M.L. Lyra, Iram Gleria and C. Argolo

Physica A: Statistical Mechanics and its Applications, 2007, vol. 386, issue 2, 748-751

Abstract: In this work we study the critical behavior of a model that simulates the propagation of an epidemic process over a population. We simulate the model on two-dimensional finite lattices to determine the critical density of the diffusive population. A finite size scaling analysis is employed to determine the order parameter and correlation length critical exponents.

Keywords: Diffusive contact process; Non-equilibrium phase transition; Critical behavior (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:386:y:2007:i:2:p:748-751

DOI: 10.1016/j.physa.2007.08.038

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