Probability density functions of work and heat near the stochastic resonance of a colloidal particle
arXiv:0809.4957 · doi:10.1088/1742-5468/2008/10/P10017
Abstract
We study experimentally and theoretically the probability density functions 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 a good agreement between the probability density functions exactly computed from a Langevin dynamics and the measured ones. The probability density function of the work done on the particle satisfies the fluctuation theorem.
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- Theoretical description of effective heat transfer between two viscously coupled beads
- Performance of optimal linear-response processes in driven Brownian motion far from equilibrium
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- Effects of the kinetic energy in heat for overdamped systems
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- Aspects of the disordered harmonic chain
- Heat fluctuations in the logarithm-harmonic potential
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