Publication details

Information and physics

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KYCIA Radoslaw Antoni NIEMCZYNOWICZ Agnieszka

Year of publication 2020
Type Article in Periodical
Magazine / Source Zagadnienia Filozoficzne w Nauce (Philosophical Problems in Science)
MU Faculty or unit

Faculty of Science

Keywords Landauer's principle; entropy; the second law of thermodynamics; memory; information
Description This is an overview article that contains the discussion of the connection between information and physics at the elementary level. We present a derivation of Landauer's bound for heat emission during irreversible logical operation. In this computation the Szilard's version of Maxwell's demon paradox is used as a model to design thermodynamic implementation of a single bit of computer memory. Landauer's principle also motivates the discussion on the practical and emergent nature of the information. Apart from physics, the principle has implications in philosophy.
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