# Boundary effects in reaction-diffusion processes.

@article{Richardson1999BoundaryEI, title={Boundary effects in reaction-diffusion processes.}, author={Michael J. Richardson and Yariv Kafri}, journal={Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics}, year={1999}, volume={59 5 Pt A}, pages={ R4725-8 } }

The effects of a boundary on reaction systems are examined in the framework of the general single-species reaction/coalescence process. The boundary naturally represents the reactants' container, but is applicable to exciton dynamics in a doped TMMC crystal. We show that a density excess, which extends into the system diffusively from the boundary, is formed in two dimensions and below. This implies a surprising result for the magnetization near a fixed spin in the coarsening of the one…

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