Critical behavior of the pair contact process

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173 Citations (Scopus)

Abstract

I study a nonequilibrium lattice model, the pair contact process, in which pairs of particles annihilate with probability p or else create a particle at a vacant nearest neighbor. The model exhibits a continuous phase transition from an active state, with an ongoing production of particles, to an absorbing state without pairs. The model has infinitely many absorbing states. Computer simulations in 1D yielded critical exponents consistent with directed percolation, for the first time placing a model with infinitely many absorbing states firmly in the directed-percolation universality class.

Original languageEnglish
Pages (from-to)1465-1468
Number of pages4
JournalPhysical Review Letters
Volume70
Issue number10
DOIs
Publication statusPublished - Mar 1993
Externally publishedYes

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