Work and dissipation fluctuations near the stochastic resonance of a colloidal particle

Pierre Jop; Sergio Ciliberto; Artyom Petrosyan

Work and dissipation fluctuations near the stochastic resonance of a colloidal particle

Pierre Jop ¹ Sergio Ciliberto ¹ Artyom Petrosyan ¹

1 Phys-ENS - Laboratoire de Physique de l'ENS Lyon

Abstract : We study experimentally the fluctuations of the injected and dissipated energy in a system of a colloidal particle trapped in a double well potential periodically modulated by an external perturbation. The work done by the external force and the dissipated energy are measured close to the stochastic resonance where the injected power is maximum. We show that the steady state fluctuation theorem holds in this system.

Keywords : Brownian motion Fluctuation theorem Stochastic resonance

Document type :

Journal articles

Domain :

Physics [physics] / Condensed Matter [cond-mat] / Soft Condensed Matter [cond-mat.soft]

Physics [physics] / Condensed Matter [cond-mat] / Statistical Mechanics [cond-mat.stat-mech]

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https://hal-ens-lyon.archives-ouvertes.fr/ensl-00189499
Contributor : Sergio Ciliberto <>
Submitted on : Wednesday, February 13, 2008 - 8:10:18 AM
Last modification on : Thursday, April 19, 2018 - 2:54:03 PM
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Work and dissipation fluctuations near the stochastic resonance of a colloidal particle

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Work and dissipation fluctuations near the stochastic resonance of a colloidal particle

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