Observation of saddle-point avoidance in noise-induced escape

D. G. Luchinsky, R. S. Maier, R. Mannella, P. V E McClintock, D. L. Stein

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The first measurements of an exit location distribution are reported for an overdamped nonconservative system perturbed by weak white noise, modeled both numerically and by an analog electronic circuit. In the weak-noise limit the distribution is increasingly concentrated near a saddle point of the dynamics and is increasingly well approximated by a Weibull distribution, in agreement with theoretical predictions. A physical explanation for this behavior is given, which should facilitate the computation of corrections to the limiting form.

    Original languageEnglish (US)
    Pages (from-to)1806
    Number of pages1
    JournalPhysical Review Letters
    Volume82
    Issue number9
    DOIs
    StatePublished - 1999

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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