Thermally activated switching in the presence of non-Gaussian noise

Lora Billings, Mark I. Dykman, Ira B. Schwartz

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    17 Scopus citations

    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. It is expressed in a closed form in terms of the noise characteristic functional. The 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.

    Original languageEnglish
    Article number051122
    JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
    Volume78
    Issue number5
    DOIs
    StatePublished - 24 Nov 2008

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