On the universality of a class of annihilation-coagulation models
Daniele Balboni, Pierre-Antoine Rey, Michel Droz
Abstract
A class of d-dimensional reaction-diffusion models interpolating continuously between the diffusion-coagulation and the diffusion-annihilation models is introduced. Exact relations among the observables of different models are established. For the one-dimensional case, it is shown how correlations in the initial state can lead to non-universal amplitudes for time-dependent particles density.
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