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Stochastic thermodynamics of entropic transport

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons49233

Smerlak,  Matteo
Microscopic Quantum Structure & Dynamics of Spacetime, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Volltexte (frei zugänglich)

1207.1026
(Preprint), 108KB

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Zitation

Smerlak, M. (in preparation). Stochastic thermodynamics of entropic transport.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000E-E9DE-5
Zusammenfassung
Seifert derived an exact fluctuation relation for diffusion processes using the concept of "stochastic system entropy". In this note we extend his formalism to entropic transport. We introduce the notion of relative stochastic entropy, or "relative surprisal", and use it to generalize Seifert's system/medium decomposition of the total entropy. This result allows to apply the concepts of stochastic thermodynamics to diffusion processes in confined geometries, such as ion channels, cellular pores or nanoporous materials. It can be seen as the equivalent for diffusion processes of Esposito and Schaller's generalized fluctuation theorem for "Maxwell demon feedbacks".