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Article Dans Une Revue Advances in Physics Année : 2013

Persistence and First-Passage Properties in Non-equilibrium Systems

Résumé

In this review we discuss the persistence and the related first-passage properties in extended many-body nonequilibrium systems. Starting with simple systems with one or few degrees of freedom, such as random walk and random acceleration problems, we progressively discuss the persistence properties in systems with many degrees of freedom. These systems include spins models undergoing phase ordering dynamics, diffusion equation, fluctuating interfaces etc. Persistence properties are nontrivial in these systems as the effective underlying stochastic process is non-Markovian. Several exact and approximate methods have been developed to compute the persistence of such non-Markov processes over the last two decades, as reviewed in this article. We also discuss various generalisations of the local site persistence probability. Persistence in systems with quenched disorder is discussed briefly. Although the main emphasis of this review is on the theoretical developments on persistence, we briefly touch upon various experimental systems as well.

Dates et versions

hal-00843539 , version 1 (11-07-2013)

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Alan J. Bray, Satya N. Majumdar, G. Schehr. Persistence and First-Passage Properties in Non-equilibrium Systems. Advances in Physics, 2013, 62 (3), pp.225-361. ⟨hal-00843539⟩
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