Transition temperature and the equation of state from lattice QCD, Wuppertal-Budapest results

Abstract

The QCD transition is studied on lattices up to $N_t=16$. The chiral condensate is presented as a function of the temperature, and the corresponding transition temperature is extracted. The equation of state is determined on lattices with $N_t=6,8,10$ and at some temperature values with $N_t=12$. The pressure and the trace anomaly are presented as functions of the temperature in the range 100 ...1000 MeV . Using the same configurations we determine the continuum extrapolated phase diagram of QCD on the $\mu -T$ plane for small to moderate chemical potentials. Two transition lines are defined with two quantities, the chiral condensate and the strange quark number susceptibility.

4 pages, 2 figures, Proceedings for Quark Matter 2011

References in corpus (11)

• The order of the quantum chromodynamics transition predicted by the standard model of particle physics
• The QCD equation of state with dynamical quarks
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• The phase boundary for the chiral transition in (2+1)-flavor QCD at small values of the chemical potential
• The QCD phase diagram at nonzero quark density
• Equation of State for physical quark masses
• Lattice QCD as a video game
• Multidimensional spline integration of scattered data

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• QCD preheating: New frontier of baryogenesis
• Shear viscosity from perturbative Quantum Chromodynamics to the hadron resonance gas at finite baryon, strangeness, and electric charge densities
• Exploring QCD Matter at High Baryon Density
• Iterative Fluiddynamics