Reference : Thermodynamics with Continuous Information Flow
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Thermodynamics with Continuous Information Flow
Horowitz, Jordan M. [University of Massachusetts at Boston > Department of Physics]
Esposito, Massimiliano mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Physical Review X
American Physical Society
Yes (verified by ORBilu)
College Park
[en] as nonautonomous systems described by stochastic thermodynamics. We demonstrate how information is
continuously generated in an auxiliary system and then transferred to a relevant system that can utilize it to
fuel otherwise impossible processes. Indeed, while the joint system satisfies the second law, the entropy
balance for the relevant system is modified by an information term related to the mutual information rate
between the two systems. We show that many important results previously derived for nonautonomous
Maxwell demons can be recovered from our formalism and use a cycle decomposition to analyze the
continuous information flow in autonomous systems operating at a steady state. A model system is used to
illustrate our findings.

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