Klimontovich`s S theorem in nonextensive formalism and the problem of constraints

Details Klimontovich`s S theorem in nonextensive formalism and the problem of constraints Klimontovich`s S theorem in nonextensive formalism and the problem of constraints

2007-05-14

arxiv.org/abs/0705.2053v1

Physics

Condensed Matter

Statistical Mechanics

12 pages, 2 Figures

Scientific paper

Ordinary Boltzmann-Gibbs entropy is inadequate to be used in systems depending on a control parameter that yield different mean energy values. Such systems fail to give the correct comparison between the off-equilibrium and equilibrium entropy values. Klimontovich's S theorem solves this problem by renormalizing energy and making use of escort distributions. Since nonextensive thermostatistics is a generalization of Boltzmann-Gibbs entropy, it too exhibits this same deficiency. In order to remedy this, we present the nonextensive generalization of Klimontovich's S theorem. We show that this generalization requires the use of ordinary probability and the associated relative entropy in addition to the renormalization of energy. Lastly, we illustrate the generalized S theorem for the Van der Pol oscillator.

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