Lattice QCD at non-zero chemical potential and the resonance gas model

Abstract

We present results from lattice calculations on the thermodynamics of QCD at non-zero temperature and baryon chemical potential and discuss the role of resonances for the occurrence of the transition to the quark-gluon plasma in hot and dense matter. Properties of a hadronic resonance gas are compared to lattice results on the equation of state at zero as well as non-zero baryon chemical potential. Furthermore, it is shown that the quark mass dependence of the transition temperature can be understood in terms of lines of constant energy density in a resonance gas.

arXiv commentThis paper is based on talks given in July 2003 at the Workshop on Finite Density QCD at Nara, Nara, Japan, and the International Symposium on Color Confinement and Hadrons in Quantum Chromodynamics - Confinement 2003, Wako, Japan

Cited by in corpus (16)

• Systematic Measurements of Identified Particle Spectra in pp, d+Au and Au+Au Collisions from STAR
• The QCD phase diagram: A comparison of lattice and hadron resonance gas model calculations
• Unquenched QCD Dirac Operator Spectra at Nonzero Baryon Chemical Potential
• Mean-Field Effects on Collective Flows in High-Energy Heavy-Ion Collisions at 2-158A GeV energies
• Vacuum phase transition at nonzero baryon density
• The QCD phase diagram at nonzero baryon, isospin and strangeness chemical potentials: Results from a hadron resonance gas model
• Deconfinement and quark-gluon plasma
• Phase diagram at finite temperature and quark density in the strong coupling limit of lattice QCD for color SU(3)
• Quark-Antiquark Condensates in the Hadronic Phase
• Phase diagram evolution at finite coupling in strong coupling lattice QCD
• Chiral and deconfinement transitions in strong coupling lattice QCD with finite coupling and Polyakov loop effects
• Advantage of U+U over Au+Au collisions at constant beam energy
• First order phase transition in the quark matter
• Interactions of multi-quark states in the chromodielectric model
• Exploring the QCD phase diagram through relativistic heavy ion collisions
• Extraction of kinetic freeze-out properties and effect of resonance decays