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Entropic stochastic resonance
Burada, Poornachandra Sekhar; Schmid, Gerhard; Reguera, D. (David); Vainstein, M. H.; Rubí Capaceti, José Miguel; Hänggi, Peter
Universitat de Barcelona
We present a novel scheme for the appearance of stochastic resonance when the dynamics of a Brownian particle takes place in a confined medium. The presence of uneven boundaries, giving rise to an entropic contribution to the potential, may upon application of a periodic driving force result in an increase of the spectral amplification at an optimum value of the ambient noise level. The entropic stochastic resonance, characteristic of small-scale systems, may constitute a useful mechanism for the manipulation and control of single molecules and nanodevices.
2010-07-06
Física estadística
Física matemàtica
Statistical physics
Mathematical physics
(c) American Physical Society, 2008
Article
American Physical Society
         

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