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Article overview
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Non-extensive statistics, relativistic kinetic theory and fluid dynamics | | T. S. Biró
; E. Molnár
; | | Date: |
28 May 2012 | | Abstract: | Experimental particle spectra can be successfully described by power-law
tailed energy distributions characteristic to canonical equilibrium
distributions associated to R’enyi’s or Tsallis’ entropy formula - over a wide
range of energies, colliding system sizes, and produced hadron sorts. In order
to derive its evolution one needs a corresponding dynamical description of the
system which results in such final state observables. The equations of
relativistic fluid dynamics are obtained from a non-extensive Boltzmann
equation consistent with Tsallis’ non-extensive $q$-entropy formula. The
transport coefficients like shear viscosity, bulk viscosity, and heat
conductivity are evaluate based on a linearized collision integral. | | Source: | arXiv, 1205.6079 | | Services: | Forum | Review | PDF | Favorites | |
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