Relativistic kinetics and power-law tailed distributions

Details Relativistic kinetics and power-law tailed distributions Relativistic kinetics and power-law tailed distributions

2010-12-17

arxiv.org/abs/1012.3903v1

EPL, 92 (2010) 35002

Physics

Condensed Matter

Statistical Mechanics

5 two-column pages

Scientific paper

10.1209/0295-5075/92/35002

The present paper is devoted to the relativistic statistical theory, introduced in Phys. Rev. E {\bf 66} (2002) 056125 and Phys. Rev. E {\bf 72} (2005) 036108, predicting the particle distribution function $p(E)= \exp_{\kappa} (-\beta[E-\mu])$ with $\exp_{\kappa}(x)=(\sqrt{1+ \kappa^2 x^2}+\kappa x)^{1/\kappa}$, and $\kappa^2<1$. This, experimentally observed, relativistic distribution, at low energies behaves as the exponential, Maxwell-Boltzmann classical distribution, while at high energies presents power law tails. Here, we obtain the evolution equation, conducting asymptotically to the above distribution, by using a new deductive procedure, starting from the relativistic BBGKY hierarchy and by employing the relativistic molecular chaos hypothesis.

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