Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2000-02-28
J. Stat. Phys. 99, 1397 (2000)
Physics
Condensed Matter
Statistical Mechanics
10 pages. Accepted for publication in the June 2000 issue of the JSP (Volume 99, Issue 5/6)
Scientific paper
We use a boolean cellular automaton model to describe the diffusion limited dynamics of the irreversible reaction A+A->A+S on a 1D lattice. We derive a set of equations for the dynamics of the empty interval probabilities from which explicit expressions for the particle concentration and the two-point correlation can be obtained. It is shown that the long time dynamics is in agreement with the off-lattice solution. The early time behavior, however, predicts a slower decay of the concentration.
Abad Enrique
Frisch Harry L.
Nicolis Gregoire
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