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Massive gluons and quarks and the equation of state obtained from SU(3) lattice QCD
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Massive gluons and quarks and the equation of state obtained from SU(3) lattice QCD
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We analyze recent results of SU(3) lattice QCD calculations with a phenomenological parametrization for the quark-gluon plasma equation of state based on a quasi-particle picture with massive quarks and gluons. At high temperature we obtain a good fit to the lattice data using perturbative thermal quark and gluon masses from an improved HTL scheme. At temperatures close to the confinement phase transition the fitted masses increase above the perturbative value, and a non-zero (but small) bag constant is required to fit the lattice data.
Forward citations
Cited by 3 Pith papers
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Reformulation of the PNJL model with gluon quasi-particles treated beyond saddle-point approximation to yield a consistent quasiparticle description of QCD thermodynamics.
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Hadronic and partonic composition of QCD matter across the crossover
A three-parameter hadron–quark crossover equation of state fitted to lattice QCD data yields a switching temperature T₀ ≃ 216 MeV, implying hadronic degrees of freedom persist well above the chiral pseudocritical temperature.
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