Nonextensive statistics: theoretical, experimental and computational evidences and connections
نویسندگان
چکیده
منابع مشابه
Nonextensive Statistics: Theoretical, Experimental and Computational Evidences and Connections
The domain of validity of standard thermodynamics and Boltzmann-Gibbs statistical mechanics is discussed and then formally enlarged in order to hopefully cover a variety of anomalous systems. The generalization concerns nonextensive systems, where nonextensivity is understood in the thermody-namical sense. This generalization was first proposed in 1988 inspired by the probabilistic description ...
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The domain of validity of standard thermodynamics and Boltzmann-Gibbs statistical mechanics is discussed and then formally enlarged in order to hopefully cove r a v ariety o f anomalous systems. The generalization concerns nonextensive systems, where nonextensiv-ity is understood in the thermodynamical sense. This generalization was rst proposed in 1988 inspired by the probabilistic description...
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It is presented a generalization of the von Neumann mutual information in the context of Tsallis’ nonextensive statistics. As an example, entanglement between two (two-level) quantum subsystems is discussed. Important changes occur in the generalized mutual information, which measures the degree of entanglement, depending on the entropic index q.
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We discuss the basic transport phenomena in gases and plasmas obeying the q-nonextensive velocity distribution (power-law). Analytical expressions for the thermal conductivity (Kq) and viscosity (ηq) are derived by solving the Boltzmann equation in the relaxation-time approximation. The available experimental results to the ratio Kq/ηq constrains the q-parameter on the interval 0.74 ≤ q ≤ 1. In...
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ژورنال
عنوان ژورنال: Brazilian Journal of Physics
سال: 1999
ISSN: 0103-9733
DOI: 10.1590/s0103-97331999000100002