Volume 81, Number 2, January 2008
|Number of page(s)||3|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||06 December 2007|
Dynamical randomness, information, and Landauer's principle
Center for Nonlinear Phenomena and Complex Systems, Université Libre de Bruxelles Code Postal 231, Campus Plaine, B-1050 Brussels, Belgium
Accepted: 12 November 2007
New concepts from nonequilibrium thermodynamics are used to show that Landauer's principle can be understood in terms of time asymmetry in the dynamical randomness generated by the physical process of the erasure of digital information. In this way, Landauer's principle is generalized, showing that the dissipation associated with the erasure of a sequence of bits produces entropy at the rate per erased bit, where I is Shannon's information per bit.
PACS: 89.70.+c – Information theory and communication theory / 05.70.Ln – Nonequilibrium and irreversible thermodynamics / 02.50.-r – Probability theory, stochastic processes, and statistics
© EPLA, 2008
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