Notes on Landauer's Principle, Reversible Computation, and Maxwell's Demon

  title={Notes on Landauer's Principle, Reversible Computation, and Maxwell's Demon},
  author={Charles H. Bennett},
  journal={Studies in History and Philosophy of Modern Physics},
  • C. H. Bennett
  • Published 1 October 2002
  • Physics
  • Studies in History and Philosophy of Modern Physics
Abstract Landauer's principle, often regarded as the basic principle of the thermodynamics of information processing, holds that any logically irreversible manipulation of information, such as the erasure of a bit or the merging of two computation paths, must be accompanied by a corresponding entropy increase in non-information-bearing degrees of freedom of the information-processing apparatus or its environment. Conversely, it is generally accepted that any logically reversible transformation… 

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