Physics – Condensed Matter
Scientific paper
2002-07-06
Eur. Phys. J. B31 (2003) 371
Physics
Condensed Matter
18 pages, LaTeX2e, no figures
Scientific paper
10.1140/epjb/e2003-00044-4
Multi-species reaction-diffusion systems, with nearest-neighbor interaction on a one-dimensional lattice are considered. Necessary and sufficient constraints on the interaction rates are obtained, that guarantee the closedness of the time evolution equation for $E^{\mathbf a}_n(t)$'s, the expectation value of the product of certain linear combination of the number operators on $n$ consecutive sites at time $t$. The constraints are solved for the single-species left-right-symmetric systems. Also, examples of multi-species system for which the evolution equations of $E^{\mathbf a}_n(t)$'s are closed, are given.
Aghamohammadi Amir
Alimohammadi Masoud
Khorrami Mohammad
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