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2019 | OriginalPaper | Buchkapitel

Independent Particles in a Dynamical Random Environment

verfasst von : Mathew Joseph, Firas Rassoul-Agha, Timo Seppäläinen

Erschienen in: Probability and Analysis in Interacting Physical Systems

Verlag: Springer International Publishing

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Abstract

We study the motion of independent particles in a dynamical random environment on the integer lattice. The environment has a product distribution. For the multidimensional case, we characterize the class of spatially ergodic invariant measures. These invariant distributions are mixtures of inhomogeneous Poisson product measures that depend on the past of the environment. We also investigate the correlations in this measure. For dimensions one and two, we prove convergence to equilibrium from spatially ergodic initial distributions. In the one-dimensional situation we study fluctuations of the net current seen by an observer traveling at a deterministic speed. When this current is centered by its quenched mean its limit distributions are the same as for classical independent particles.

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Metadaten
Titel
Independent Particles in a Dynamical Random Environment
verfasst von
Mathew Joseph
Firas Rassoul-Agha
Timo Seppäläinen
Copyright-Jahr
2019
DOI
https://doi.org/10.1007/978-3-030-15338-0_4