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Is the Information Entropy the Same as the Statistical Mechanical Entropy?
Published 25 Sep 2012 in cond-mat.stat-mech, physics.chem-ph, and physics.data-an | (1209.5500v1)
Abstract: It is shown that the standard expression for the information entropy, originally due to Shannon, is only valid for a particular set of states. For the general case of statistical mechanics, one needs to include an additional term in the expression for the entropy as a function of the probability. A simple derivation of the general formula is given.
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