# Thermodynamics of information

@article{Parrondo2015ThermodynamicsOI, title={Thermodynamics of information}, author={Juan Manuel Rodr{\'i}guez Parrondo and Jordan M. Horowitz and Takahiro Sagawa}, journal={Nature Physics}, year={2015}, volume={11}, pages={131-139} }

By its very nature, the second law of thermodynamics is probabilistic, in that its formulation requires a probabilistic description of the state of a system. This raises questions about the objectivity of the second law: does it depend, for example, on what we know about the system? For over a century, much effort has been devoted to incorporating information into thermodynamics and assessing the entropic and energetic costs of manipulating information. More recently, this historically…

## 476 Citations

Thermodynamics from Information

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Thermodynamics and information have intricate inter-relations. The justification of the fact that information is physical, is done by inter-linking information and thermodynamics – through Landauer’s…

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A generalization of the second law of thermodynamics is derived that uses Bayesian updates to explicitly incorporate the effects of a measurement of a system at some point in its evolution, resolving a tension between the fact that the entropy of a statistical system can sometimes fluctuate downward and the information-theoretic idea that knowledge of a stochastically evolving system degrades over time.

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The aim of this work is to present the advancements in physics over the past few decades along with the proper meaning of the concept of information in statistical physics, in such a way that the significance of these developments to the traditional philosophical debate on emergence and reductionism becomes manifest.

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The Landauer principle quantifies the thermodynamic cost of the recording/erasure of one bit of information, as it was stated by its author: “information is physical” and it has an energy equivalent.…

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A formalism redefining heat, work and thermodynamic laws in terms of quantum conditional entropy is developed, which consistently generalize thermodynamics in correlated scenarios.

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We investigate fundamental connections between thermodynamics and quantum information theory. First, we show that the operational framework of thermal operations is nonequivalent to the framework of…

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