Quenched convergence and strong local equilibrium for asymmetric zero-range process with site disorder

Abstract : We study asymmetric zero-range processes on Z with nearest-neighbour jumps and site disorder. The jump rate of particles is an arbitrary but bounded nondecreasing function of the number of particles. We prove quenched strong local equilibrium at subcritical and critical hydrodynamic densities, and dynamic local loss of mass at supercritical hydrodynamic densities. Our results do not assume starting from local Gibbs states. As byproducts of these results, we prove convergence of the process from given initial configurations with an asymptotic density of particles to the left of the origin. In particular , we relax the weak convexity assumption of [7, 8] for the escape of mass property. 1 MSC 2010 subject classification: 60K35, 82C22.
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Submitted on : Monday, November 4, 2019 - 11:55:10 AM
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  • HAL Id : hal-01766873, version 2
  • ARXIV : 1804.06148

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Christophe Bahadoran, T. Mountford, K. Ravishankar, E Saada. Quenched convergence and strong local equilibrium for asymmetric zero-range process with site disorder. Probability Theory and Related Fields, Springer Verlag, In press. ⟨hal-01766873v2⟩

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