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The stochastic thermodynamics of a rotating Brownian particle in a gradient flow
KTH, School of Computer Science and Communication (CSC), Computational Biology, CB. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre. Aalto University, Finland.
2015 (English)In: Scientific Reports, ISSN 2045-2322, Vol. 5, 12266Article in journal (Refereed) Published
Abstract [en]

We compute the entropy production engendered in the environment from a single Brownian particle which moves in a gradient flow, and show that it corresponds in expectation to classical near-equilibrium entropy production in the surrounding fluid with specific mesoscopic transport coefficients. With temperature gradient, extra terms are found which result from the nonlinear interaction between the particle and the non-equilibrated environment. The calculations are based on the fluctuation relations which relate entropy production to the probabilities of stochastic paths and carried out in a multi-time formalism.

Place, publisher, year, edition, pages
2015. Vol. 5, 12266
National Category
Bioinformatics (Computational Biology)
URN: urn:nbn:se:kth:diva-172163DOI: 10.1038/srep12266ISI: 000358241200002PubMedID: 26194015ScopusID: 2-s2.0-84937484870OAI: diva2:846784

QC 20150818

Available from: 2015-08-18 Created: 2015-08-14 Last updated: 2015-08-18Bibliographically approved

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Aurell, Erik
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Computational Biology, CBACCESS Linnaeus Centre
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