Exact Results for a Three-Body Reaction-Diffusion System

Details Exact Results for a Three-Body Reaction-Diffusion System Exact Results for a Three-Body Reaction-Diffusion System

1992-07-02

arxiv.org/abs/cond-mat/9207001v1

Phys.Rev.A46:6140-6142,1992

Physics

Condensed Matter

10 pages

Scientific paper

10.1103/PhysRevA.46.R6140

A system of particles hopping on a line, singly or as merged pairs, and annihilating in groups of three on encounters, is solved exactly for certain symmetrical initial conditions. The functional form of the density is nearly identical to that found in two-body annihilation, and both systems show non-mean-field, ~1/t**(1/2) instead of ~1/t, decrease of particle density for large times.

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