Kahlen, Marcel Sebastian and Ehrich, Jannik (2018) Hidden slow degrees of freedom and fluctuation theorems: an analytically solvable model. Journal of statistical mechanics: theory and experiment. ISSN 1742-5468

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Official URL: https://iopscience.iop.org/article/10.1088/1742-54...


In some situations in stochastic thermodynamics not all relevant slow degrees of freedom are accessible. Consequently, one adopts an effective description involving only the visible degrees of freedom. This gives rise to an apparent entropy production that violates standard fluctuation theorems. We present an analytically solvable model illustrating how the fluctuation theorems are modified. Furthermore, we define an alternative to the apparent entropy production: the marginal entropy production which fulfills the fluctuation theorems in the usual form. We show that the non-Markovianity of the visible process is responsible for the deviations in the fluctuation theorems.

Item Type: Article
Subjects: Science and mathematics > Physics
Divisions: Faculty of Mathematics and Science > Institute of Physics (IfP)
Date Deposited: 31 Jan 2019 10:40
Last Modified: 31 Jan 2019 11:38
URI: https://oops.uni-oldenburg.de/id/eprint/3859
URN: urn:nbn:de:gbv:715-oops-39402

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