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Conservative ensembles for nonequilibrium lattice-gas systems
Authors:M J de Oliveira  T Tomé
Institution:1. Instituto de Física, Universidade de S?o Paulo, Caixa Postal 66318, 05315-970, S?o Paulo, Brazil
Abstract:We show how to set up a constant particle ensemble for the steady state of nonequilibrium lattice-gas systems which originally are defined on a constant rate ensemble. We focus on nonequilibrium systems in which particles are created and annihilated on the sites of a lattice and described by a master equation. We consider also the case in which a quantity other than the number of particle is conserved. The conservative ensembles can be useful in the study of phase transitions and critical phenomena particularly discontinuous phase transitions.
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