Dynamical mean-field approximations for a diffusive pair contact process

Details Dynamical mean-field approximations for a diffusive pair contact process Dynamical mean-field approximations for a diffusive pair contact process

2004-08-05

arxiv.org/abs/cond-mat/0408114v2

Physics

Condensed Matter

Statistical Mechanics

4 pages, 3 figures, added references and table is extended

Scientific paper

Dynamical mean-field approximations are performed to study the phase transition of a pair contact process with diffusion in different spatial dimensions. The level of approximation is extended up to 18-site clusters for the one-dimensional model. The application of coherent anomaly method shows that the critical $\beta$ exponent does not depend on the strength of diffusion rate. The extension of the mean-field approximation to higher dimensions also suggests that the critical behavior may be described by a unique set of exponents.

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