Equivalence of ensembles for two-species zero-range invariant measures

Stefan Großkinsky

Stochastic Processes and their Applications, 2008, vol. 118, issue 8, 1322-1350

Abstract: We study the equivalence of ensembles for stationary measures of interacting particle systems with two conserved quantities and unbounded local state space. The main motivation is a condensation transition in the zero-range process which has recently attracted attention. Establishing the equivalence of ensembles via convergence in specific relative entropy, we derive the phase diagram for the condensation transition, which can be understood in terms of the domain of grand-canonical measures. Of particular interest, also from a mathematical point of view, are the convergence properties of the Gibbs free energy on the boundary of that domain, involving large deviations and multivariate local limit theorems of subexponential distributions.

Keywords: Zero-range; process; Equivalence; of; ensembles; Condensation; transition; Relative; entropy (search for similar items in EconPapers)
Date: 2008
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Citations: View citations in EconPapers (1)

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