Quasiparticle description of the QCD plasma, comparison with lattice results at finiteTand μ | Zendy

Kálmán Szabó | Zendy; A. Tóth | Zendy

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Quasiparticle description of the QCD plasma, comparison with lattice results at finiteTand μ

Author(s) -

Kálmán Szabó,

A. Tóth

Publication year - 2003

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2003/06/008

Subject(s) - quasiparticle , physics , quantum chromodynamics , lattice (music) , lattice qcd , phase diagram , plasma , thermal , condensed matter physics , baryon , quark–gluon plasma , particle physics , thermodynamics , phase (matter) , nuclear physics , quantum mechanics , superconductivity , acoustics

We compare our 2+1 flavor, staggered QCD lattice results with a quasiparticlepicture. We determine the pressure, the energy density, the baryon density, thespeed of sound and the thermal masses as a function of T and $\mu_B$. For theavailable thermodynamic quantities the difference is a few percent between theresults of the two approaches. We also give the phase diagram on the $\mu_B$--Tplane and estimate the critical chemical potential at vanishing temperature.Comment: 13 pages, 10 figure

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