Noise-induced kink propagation in shallow granular layers

Gladys Jara-Schulz, Michel A. Ferré, Claudio Falcón and Marcel G. Clerc

Chaos, Solitons & Fractals, 2020, vol. 134, issue C

Abstract: Out of equilibrium systems are characterized by exhibiting the coexistence of domains with complex spatiotemporal dynamics. Here, we investigate experimentally the noise-induced domain wall propagation on a one-dimensional shallow granular layer subjected to an air flow oscillating in time. We present results of the appearance of an effective drift as a function of the inclination of the experimental cell, which can be understood using a simple Langevin model to describe the dynamical evolution of these solutions via its pinning-depinning transition. The statistical characterization of displacements of the granular kink position is performed. The dynamics of the stochastic model shows a fairly good agreement with the experimental observations.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:134:y:2020:i:c:s0960077920300795

DOI: 10.1016/j.chaos.2020.109677

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