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American Physical Society, Physical Review Letters, 2(104)

DOI: 10.1103/physrevlett.104.020601

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Geometric Stochastic Resonance

Journal article published in 2010 by Pulak Kumar Ghosh, Fabio Marchesoni, Sergey E. Savel'ev ORCID, Franco Nori
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This paper is available in a repository.

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Abstract

A Brownian particle moving across a porous membrane subject to an oscillating force exhibits stochastic resonance with properties which strongly depend on the geometry of the confining cavities on the two sides of the membrane. Such a manifestation of stochastic resonance requires neither energetic nor entropic barriers, and can thus be regarded as a purely geometric effect. The magnitude of this effect is sensitive to the geometry of both the cavities and the pores, thus leading to distinctive optimal synchronization conditions.