Thermally activated switching in the presence of non-Gaussian noise
Lora Billings, Mark I. Dykman, and Ira B. Schwartz
TL;DR
This paper investigates how non-Gaussian noise influences thermally activated switching, revealing that even weak non-Gaussian noise significantly alters switching rates and depends on all moments of the noise distribution.
Contribution
It provides explicit analytical results on the impact of non-Gaussian noise on switching rates, supported by simulations and analysis of Poisson noise effects.
Findings
Weak non-Gaussian noise can significantly change switching rates
Switching effects depend on all moments of the noise distribution
Analytical results align with simulation outcomes
Abstract
We study the effect of a non-Gaussian noise on interstate switching activated primarily by Gaussian noise. Even weak non-Gaussian noise can strongly change the switching rate. The effect is determined by all moments of the noise distribution. The explicit analytical results are compared with the results of simulations for an overdamped system driven by white Gaussian noise and a Poisson noise. Switching induced by a purely Poisson noise is also discussed.
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