Entropic stochastic resonance |
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| Authors: | Burada P S Schmid G Reguera D Vainstein M H Rubi J M Hänggi P |
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| Affiliation: | Institut für Physik, Universit?t Augsburg, Universit?tsstr. 1, D-86135 Augsburg, Germany. |
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| Abstract: | 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. |
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