Lattice Kinetics of Diffusion-Limited Coalescence and Annihilation with Sources

Details Lattice Kinetics of Diffusion-Limited Coalescence and Annihilation with Sources Lattice Kinetics of Diffusion-Limited Coalescence and Annihilation with Sources

2002-01-24

arxiv.org/abs/cond-mat/0201446v1

J. Phys. A: Math. Gen. 35 (2002), 1483-1500

Physics

Condensed Matter

Statistical Mechanics

24 pages and 3 eps figures, Revtex, accepted for publication in J. Phys. A

Scientific paper

10.1088/0305-4470/35/7/301

We study the 1D kinetics of diffusion-limited coalescence and annihilation with back reactions and different kinds of particle input. By considering the changes in occupation and parity of a given interval, we derive sets of hierarchical equations from which exact expressions for the lattice coverage and the particle concentration can be obtained. We compare the mean-field approximation and the continuum approximation to the exact solutions and we discuss their regime of validity.

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