New Method of Modelling Dissipative Hydrodynamics

Details New Method of Modelling Dissipative Hydrodynamics New Method of Modelling Dissipative Hydrodynamics

2008-12-22

arxiv.org/abs/0812.4164v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Contribution presented at PANIC2008 conference (Eilat, Israel, 10-14 November 2008)

Scientific paper

We propose to model the dissipative hydrodynamics used in description of the multiparticle production processes ($d$-hydrodynamics) by a special kind of the perfect nonextensive fluid ($q$-fluid) where $q$ denotes the nonextensivity parameter appearing in the nonextensive Tsallis statistics. The advantage of $q$-hydrodynamics lies in its formal simplicity in comparison to the $d$-hydrodynamics. We argue that parameter $q$ describes summarily (at least to some extent) all dynamical effects behind the viscous behavior of the hadronic fluid.

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