Extremal noise events, intermittency, and Log-Poisson statistics in non-equilibrium aging of complex systems

Paolo Sibani

doi:10.1117/12.600964

23 May 2005 Extremal noise events, intermittency, and Log-Poisson statistics in non-equilibrium aging of complex systems

Paolo Sibani

Author Affiliations +

Proceedings Volume 5845, Noise in Complex Systems and Stochastic Dynamics III; (2005) https://doi.org/10.1117/12.600964
Event: SPIE Third International Symposium on Fluctuations and Noise, 2005, Austin, Texas, United States

Abstract

We discuss the close link between intermittent events ('quakes') and extremal noise fluctuations which has been advocated in recent numerical and theoretical work. From the idea that record-breaking noise fluctuations trigger the quakes, an approximate analytical description of non-equilibrium aging as a Poisson process with logarithmic time arguments can be derived. Theoretical predictions for measurable statistical properties of mesoscopic fluctuations are emphasized, and supporting numerical evidence is included from simulations of short-ranged Ising spin-glass models, of the ROM model of vortex dynamics in type II superconductors, and of the Tangled Nature model of biological evolution.

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Paolo Sibani "Extremal noise events, intermittency, and Log-Poisson statistics in non-equilibrium aging of complex systems", Proc. SPIE 5845, Noise in Complex Systems and Stochastic Dynamics III, (23 May 2005); https://doi.org/10.1117/12.600964

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