The sensitivity of the population of states to the value of $q$ and the legitimate range of $q$ in Tsallis statistics

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Nassimi, Ali M.
Parsafar, Gholamabbas
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In the framework of the Tsallis statistical mechanics, for the spin-1/2 and the harmonic oscillator, we study the change of the population of states when the parameter $q$ is varied; the results show that the difference between predictions of the Boltzmann--Gibbs and Tsallis Statistics can be much smaller than the precision of any existing experiment. Also, the relation between the privilege of rare/frequent event and the value of $q$ is restudied. This relation is shown to be more complicated than the common belief about it. Finally, the convergence criteria of the partition function of some simple model systems, in the framework of Tsallis Statistical Mechanics, is studied; based on this study, we conjecture that $q \leq 1$, in the thermodynamic limit.
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Condensed Matter - Statistical Mechanics
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