QCD equation of state: Physical quark masses and asymptotic temperatures
M. Bluhm (Forschungszentrum Dresden-Rossendorf), B. Kampfer, (Forschungszentrum Dresden-Rossendorf & Dresden, Tech. U.), R. Schulze, D., Seipt (Forschungszentrum Dresden-Rossendorf)
TL;DR
This paper explores the quark mass and temperature effects on the QCD equation of state using a quasiparticle model, comparing results with lattice QCD and examining high-temperature behavior.
Contribution
It introduces a quasiparticle model that incorporates quark mass and temperature dependence, extending the analysis to asymptotic temperatures and comparing with lattice QCD data.
Findings
The model reproduces lattice QCD results for the equation of state.
Scaling properties with quark mass and deconfinement temperature are identified.
Asymptotic behavior at very high temperatures is characterized.
Abstract
Within a phenomenological quasiparticle model, the quark mass and temperature dependence of the QCD equation of state is discussed and compared with lattice QCD results. Different approximations for the quasiparticle dispersion relations are employed, scaling properties of the equation of state with quark mass and deconfinement temperature are investigated and a continuation to asymptotically large temperatures is presented.
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