title: Work fluctuation theorems for harmonic oscillators.
abstract: 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. 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.
authors.affiliation: Laboratoire de Physique de l'ENS Lyon, CNRS UMR 5672, 46, Allée d'Italie, 69364 Lyon Cedex 07, France.
authors.forename: F
authors.initials: F
authors.lastname: Douarche
authors.forename: S
authors.initials: S
authors.lastname: Joubaud
authors.forename: N B
authors.initials: NB
authors.lastname: Garnier
authors.forename: A
authors.initials: A
authors.lastname: Petrosyan
authors.forename: S
authors.initials: S
authors.lastname: Ciliberto