Reaction-diffusion processes of three species on small-world networks

Details Reaction-diffusion processes of three species on small-world networks Reaction-diffusion processes of three species on small-world networks

2005-03-29

arxiv.org/abs/cond-mat/0503674v1

Physics

Condensed Matter

Statistical Mechanics

3 pages, 1figure

Scientific paper

We study the decay process for the reaction-diffusion process of three species on the small-world network. The decay process is manipulated from the deterministic rate equation of three species in the reaction-diffusion system. The particle density and the global reaction rate on a two dimensional small-world network adding new random links is discussed numerically, and the global reaction rate before and after the crossover is also found by means of the Monte Carlo simulation. The time-dependent global reaction rate scales as a power law with the scaling exponent 0.66 at early time regime while it scales with -0.50 at long time regime, in all four cases of the added probability $p=0.2-0.8$. Especially, our result presented is compared with the numerical calculation of regular networks.

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