Quasiparticle Description of the QCD Plasma, Comparison with Lattice Results at Finite T and Mu

Details Quasiparticle Description of the QCD Plasma, Comparison with Lattice Results at Finite T and Mu Quasiparticle Description of the QCD Plasma, Comparison with Lattice Results at Finite T and Mu

2003-02-27

arxiv.org/abs/hep-ph/0302255v1

JHEP 0306 (2003) 008

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 10 figures

Scientific paper

10.1088/1126-6708/2003/06/008

We compare our 2+1 flavor, staggered QCD lattice results with a quasiparticle picture. We determine the pressure, the energy density, the baryon density, the speed of sound and the thermal masses as a function of T and $\mu_B$. For the available thermodynamic quantities the difference is a few percent between the results of the two approaches. We also give the phase diagram on the $\mu_B$--T plane and estimate the critical chemical potential at vanishing temperature.

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