Conservative ensembles for nonequilibrium lattice-gas systems

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 maste...

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Veröffentlicht in:The European physical journal. B, Condensed matter physics Condensed matter physics, 2008-08, Vol.64 (3-4), p.409-414
Hauptverfasser: de Oliveira, M. J., Tomé, T.
Format: Artikel
Sprache:eng
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Zusammenfassung: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.
ISSN:1434-6028
1434-6036
DOI:10.1140/epjb/e2008-00156-3