Dissipative phenomena in chemically non-equilibrated quark gluon plasma

Details Dissipative phenomena in chemically non-equilibrated quark gluon plasma Dissipative phenomena in chemically non-equilibrated quark gluon plasma

1999-08-14

arxiv.org/abs/hep-ph/9908359v1

Phys.Rev.C61:034902,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 20 pages, 4 postscript figures. Submitted in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.61.034902

The dissipative corrections to the hydrodynamic equations describing the evolution of energy-momentum tensor and parton densities are derived in a simple way using the scaling approximation for the expanding quark gluon plasma at finite baryon density. This procedure has been extended to study the process of chemical equilibration using a set of rate equations appropriate for a viscous quark gluon plasma. It is found that in the presence of dissipation, the temperature of the plasma evolves slower, whereas the quark and gluon fugacities evolve faster than their counterparts in the ideal case without viscosity.

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