Operationally Accessible Bounds on Fluctuations and Entropy Production in Periodically Driven Systems.

08:00 EDT 14th June 2019 | BioPortfolio

Summary of "Operationally Accessible Bounds on Fluctuations and Entropy Production in Periodically Driven Systems."

For periodically driven systems, we derive a family of inequalities that relate entropy production with experimentally accessible data for the mean, its dependence on driving frequency, and the variance of a large class of observables. With one of these relations, overall entropy production can be bounded by just observing the time spent in a set of states. Among further consequences, the thermodynamic efficiency both of isothermal cyclic engines like molecular motors under a periodic load and of cyclic heat engines can be bounded using experimental data without requiring knowledge of the specific interactions within the system. We illustrate these results for a driven three-level system and for a colloidal Stirling engine.


Journal Details

This article was published in the following journal.

Name: Physical review letters
ISSN: 1079-7114
Pages: 230601


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