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Thermodynamics with Continuous Information Flow

Horowitz, Jordan M. ; Esposito, Massimiliano

Physical review. X, 2014-07, Vol.4 (3), p.031015, Article 031015 [Periódico revisado por pares]

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Título:
Thermodynamics with Continuous Information Flow
Autor: Horowitz, Jordan M. ; Esposito, Massimiliano
Assuntos: Accounting ; Data processing ; Energy consumption ; Formalism ; Fuels ; Information flow ; Information processing ; Statistical physics ; Steady state models ; Thermal energy ; Thermodynamics
É parte de: Physical review. X, 2014-07, Vol.4 (3), p.031015, Article 031015
Descrição: We provide a unified thermodynamic formalism describing information transfers in autonomous as well 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.
Editor: College Park: American Physical Society
Idioma: Inglês

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