Field theory of absorbing phase transitions with a nondiffusive conserved field

R. Pastor-Satorras,Alessandro Vespignani

Published 2000 in Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

ABSTRACT

We investigate the critical behavior of a reaction-diffusion system exhibiting a continuous absorbing-state phase transition. The reaction-diffusion system strictly conserves the total density of particles, represented as a nondiffusive conserved field, and allows an infinite number of absorbing configurations. Numerical results show that it belongs to a wide universality class that also includes stochastic sandpile models. We derive microscopically the field theory representing this universality class.

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