Work fluctuation theorems for harmonic oscillators

Physical Review Letters 97 (2006) 140603 The work fluctuations of an oscillator in contact with a thermostat and driven out of equilibrium by an external force are studied experimentally and theoretically within the context of Fluctuation Theorems (FTs). The oscillator dynamics is modeled by a secon...

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Bibliographic Details
Main Authors Douarche, Frederic, Joubaud, Sylvain, Garnier, Nicolas B, Petrosyan, Artem, Ciliberto, Sergio
Format Journal Article
LanguageEnglish
Published 13.03.2006
Subjects
Physics - Statistical Mechanics
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Summary:Physical Review Letters 97 (2006) 140603 The work fluctuations of an oscillator in contact with a thermostat and driven out of equilibrium by an external force are studied experimentally and theoretically within the context of Fluctuation Theorems (FTs). The oscillator dynamics is modeled by a second order Langevin equation. Both the transient and stationary state fluctuation theorems hold and the finite time corrections are very different from those of a first order Langevin equation. The periodic forcing of the oscillator is also studied; it presents new and unexpected short time convergences. Analytical expressions are given in all cases.
DOI:10.48550/arxiv.cond-mat/0603349