The QCD phase diagram for small chemical potentials

Details The QCD phase diagram for small chemical potentials The QCD phase diagram for small chemical potentials

2002-10-18

arxiv.org/abs/hep-lat/0210037v1

Physics

High Energy Physics

High Energy Physics - Lattice

Contribution to the Conference on Strong and Electroweak Matter (SEWM 2002), Heidelberg, Germany, October 2-5 2002, 5 pages, 4

Scientific paper

We compute derivatives of thermodynamic quantities with respect to $\mu$, at $\mu=0$ for 2 and 3 flavors of degenerate quark masses. This allows us to estimate the phase transition line in the $T,\mu$ plane and quantify the influence of a non vanishing chemical potential on the equation of state by computing lines of constant energy, pressure and density. Moreover we evaluate the order of the QCD phase transition by measuring the Binder Cumulant of the chiral condensate. This gives access to the chiral critical point on the phase transition line.

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