Published in
American Physical Society, Physical Review Letters, 13(84), p. 2770-2773, 2000
DOI: 10.1103/physrevlett.84.2770
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Interpretation of the Nonextensivity Parameterqin Some Applications of Tsallis Statistics and Lévy Distributions
Journal article published in 2000 by
G. Wilk,
Z. Włodarczyk 
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Abstract
The nonextensivity parameter q occurring in some of the applications of Tsallis statistics (known also as index of the corresponding Levy distribution) is shown to be given, in the q>1 case, entirely by the fluctuations of the parameters of the usual exponential distribution.