Publication details

An Explanation of the Landauer bound and its ineffectiveness with regard to multivalued logic


KYCIA Radoslaw Antoni NIEMCZYNOWCZ Agnieszka

Year of publication 2020
Type Article in Periodical
Magazine / Source Technical Transactions
MU Faculty or unit

Faculty of Science

Keywords Landauer’s principle; entropy; multivalued logic; encoding; the second law of thermodynamics; thermodynamic memory implementation; Galois connection
Description We discuss, using recent results on the thermodynamics of multivalued logic, the difficulties and pitfalls of how to apply the Landauer’s principle to thermodynamic computer memory models. The presentation is based on Szilard’s version of Maxwell’s demon experiment and use of equilibrium Thermodynamics. Different versions of thermodynamic/mechanical memory are presented – a one-hot encoding version and an implementation based on a reversed Szilard’s experiment. The relationship of the Landauer’s principle to the Galois connection is explained in detail.
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