Abstract
Lattice-gas models for CO oxidation can exhibit a discontinuous nonequilibrium transition between reactive and inactive states, which disappears above a critical CO-desorption rate. Using finite-size-scaling analysis, we demonstrate a crossover from Ising to mean-field behavior at the critical point, with increasing surface mobility of adsorbed CO or with decreasing system size. This behavior is elucidated by analogy with that of equilibrium Ising-type systems with long-range interactions.
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Liu, DJ., Pavlenko, N. & Evans, J.W. Crossover Between Mean-Field and Ising Critical Behavior in a Lattice-Gas Reaction-Diffusion Model. Journal of Statistical Physics 114, 101–114 (2004). https://doi.org/10.1023/B:JOSS.0000003105.50683.c6
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DOI: https://doi.org/10.1023/B:JOSS.0000003105.50683.c6