Entropic resonant activation

Mondal, Debasish ; Das, Moupriya ; Ray, Deb Shankar (2010) Entropic resonant activation The Journal of Chemical Physics, 132 (22). 224102 _1-224102_7. ISSN 0021-9606

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Official URL: http://jcp.aip.org/resource/1/jcpsa6/v132/i22/p224...

Related URL: http://dx.doi.org/10.1063/1.3431042


Varying cross section of confinement of a Brownian particle in two or higher dimensions results in an effective entropic barrier in reduced dimension. When the boundaries are subjected to periodic modulation, it is possible to observe a resonance of the mean first passage time between the lobes of a bilobal confined system as a function of the modulating frequency of the walls of the enclosure. The entropic resonant activation and the associated features, which are characteristic of the shape and size of the confinement, are amenable to a theoretical analysis in terms of a two-state model.

Item Type:Article
Source:Copyright of this article belongs to American Institute of Physics.
ID Code:59138
Deposited On:03 Sep 2011 12:05
Last Modified:03 Sep 2011 12:05

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