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Article Dans Une Revue Physical Review E : Statistical, Nonlinear, and Soft Matter Physics Année : 2006

Heat fluctuations in Brownian transducers

Frédéric van Wijland

Résumé

The heat fluctuation probability distribution function in Brownian transducers operating between two heat reservoirs is studied. We find, both analytically and numerically, that the recently proposed fluctuation theorem for heat exchange [C. Jarzynski and D. K. Wojcik, Phys. Rev. Lett. 92, 230602 (2004)] has to be applied carefully when the coupling mechanism between both baths is considered. We also conjecture how to extend such a relation when an external work is present.

Dates et versions

hal-00172815 , version 1 (18-09-2007)

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Frédéric van Wijland. Heat fluctuations in Brownian transducers. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, 2006, 73 (4), pp.045101(R). ⟨10.1103/PhysRevE.73.045101⟩. ⟨hal-00172815⟩
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