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arXiv · hep-lat/0209012

The QCD phase transition at high temperature and low density

S. Ejiri·C. R. Allton·S. J. Hands·O. Kaczmarek·F. Karsch·E. Laermann·Ch. Schmidt
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Abstract

We study the thermal properties of QCD in the presence of a small quark chemical potential $μ$. Derivatives of the phase transition point with respect to $μ$ are computed at $μ=0$ 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 $μ\not=0$ 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 $μ\not=0$.

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S. Ejiri, C. R. Allton, S. J. Hands, O. Kaczmarek, F. Karsch, E. Laermann, Ch. Schmidt. 2002-09-02. The QCD phase transition at high temperature and low density. https://doi.org/10.1016/s0920-5632(03)01613-x

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