The QCD phase transition at high temperature and low density

Details The QCD phase transition at high temperature and low density The QCD phase transition at high temperature and low density

2002-09-02

arxiv.org/abs/hep-lat/0209012v1

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2002(nonzerot), 3 pages, 2 figures

Scientific paper

10.1016/S0920-5632(03)01613-X

We study the thermal properties of QCD in the presence of a small quark chemical potential $\mu$. Derivatives of the phase transition point with respect to $\mu$ are computed at $\mu=0$ for 2 and 3 flavors of p-4 improved staggered fermions on a $16^3\times4$ lattice. Moreover we contrast the case of isoscalar and isovector chemical potentials, quantify the effect of $\mu\not=0$ on the equation of state, and comment on the screening effect by dynamical quarks and the complex phase of the fermion determinant in QCD with $\mu\not=0$.

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