A Note on the Equivalence of Gibbs Free Energy and Information Theoretic Capacity

Details A Note on the Equivalence of Gibbs Free Energy and Information Theoretic Capacity A Note on the Equivalence of Gibbs Free Energy and Information Theoretic Capacity

2008-09-22

arxiv.org/abs/0809.3540v1

Physics

Condensed Matter

Statistical Mechanics

6 pages, 3 figures

Scientific paper

The minimization of Gibbs free energy is based on the changes in work and free energy that occur in a physical or chemical system. The maximization of mutual information, the capacity, of a noisy channel is determined based on the marginal probabilities and conditional entropies associated with a communications system. As different as the procedures might first appear, through the exploration of a simple, "dual use" Ising model, it is seen that the two concepts are in fact the same. In particular, the case of a binary symmetric channel is calculated in detail.

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