Phase diagram of QCD with four quark flavors at finite temperature and baryon density

Details Phase diagram of QCD with four quark flavors at finite temperature and baryon density Phase diagram of QCD with four quark flavors at finite temperature and baryon density

2005-03-10

arxiv.org/abs/hep-lat/0503010v2

Nucl.Phys. B723 (2005) 77-90

Physics

High Energy Physics

High Energy Physics - Lattice

14 pages, 8 figures. Comments and new data added. Version to be published in Nuclear Physics B

Scientific paper

10.1016/j.nuclphysb.2005.06.026

We analyze the phase diagram of QCD with four staggered flavors in the (mu, T) plane using a method recently proposed by us. We explore the region T > 0.7 Tc and mu <1.4 Tc, where Tc is the transition temperature at zero baryon density, and find a first order transition line. Our results are quantitatively compatible with those obtained with the imaginary chemical potential approach and the double reweighting method, in the region where these approaches are reliable, T > 0.9 Tc and mu < Tc. But, in addition, our method allows us to extend the transition line to lower temperatures and higher chemical potentials.

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