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Hydrodynamic Limit of Zero Range Processes Among Random Conductances on the Supercritical Percolation Cluster

   
@article{EJP748,
	author = {Alessandra Faggionato},
	title = {Hydrodynamic Limit of Zero Range Processes Among Random Conductances on the Supercritical Percolation Cluster},
	journal = {Electron. J. Probab.},
	fjournal = {Electronic Journal of Probability},
	volume = {15},
	year = {2010},
	keywords = {disordered system; bond percolation; zero range process; hydrodynamic limit; homogenization; stochastic domination},
	abstract = {We consider i.i.d. random variables $\omega=\{\omega(b)\}$ parameterized by the family of bonds in $\mathbb{Z}^d$, $d > 1$. The random variable $\omega(b)$ is thought of as the conductance of bond $b$ and it ranges in a finite interval $[0,c_0]$. Assuming the probability of the event $\{\omega(b) > 0\}$ to be supercritical and denoting by $C(\omega)$ the unique infinite cluster associated to the bonds with positive conductance, we study the zero range process on $C(\omega)$ with $\omega(b)$-proportional probability rate of jumps along bond $b$. For almost all realizations of the environment we prove that the hydrodynamic behavior of the zero range process is governed by a nonlinear heat equation, independent from $\omega$. As byproduct of the above result and the blocking effect of the finite clusters, we discuss the bulk behavior of the zero range process on $\mathbb{Z}^d$ with conductance field $\omega$. We do not require any ellipticity condition.},
	pages = {no. 10, 259-291},
	issn = {1083-6489},
	doi = {10.1214/EJP.v15-748},    
        url = {http://ejp.ejpecp.org/article/view/748}}