Hydrodynamic limit of condensing two-species zero range processes with sub-critical initial profiles

Dirr, Nicolas P. ORCID: https://orcid.org/0000-0003-3634-7367, Stamatakis, Marios G. and Zimmer, Johannes 2017. Hydrodynamic limit of condensing two-species zero range processes with sub-critical initial profiles. Journal of Statistical Physics 168 (4) , pp. 794-825. 10.1007/s10955-017-1827-6

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Abstract

Two-species condensing zero range processes (ZRPs) are interacting particle systems with two species of particles and zero range interaction exhibiting phase separation outside a domain of sub-critical densities. We prove the hydrodynamic limit of nearest neighbour mean zero two-species condensing ZRP with bounded local jump rate for sub-critical initial profiles, i.e., for initial profiles whose image is contained in the region of sub-critical densities. The proof is based on H.T. Yau’s relative entropy method, which relies on the existence of sufficiently regular solutions to the hydrodynamic equation. In the particular case of the species-blind ZRP, we prove that the solutions of the hydrodynamic equation exist globally in time and thus the hydrodynamic limit is valid for all times.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Mathematics
Publisher:	Springer
ISSN:	0022-4715
Funders:	EPSRC, Leverhulme
Date of First Compliant Deposit:	6 July 2017
Date of Acceptance:	21 June 2017
Last Modified:	03 May 2023 15:11
URI:	https://orca.cardiff.ac.uk/id/eprint/102064

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