On the phase diagram of QCD at finite isospin density

Details On the phase diagram of QCD at finite isospin density On the phase diagram of QCD at finite isospin density

2007-10-31

arxiv.org/abs/0711.0023v1

PoSLAT2007:237,2007

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 4 figures, Contribution to Lattice 2007, Regensburg, Germany, 30 July - 4 August 2007

Scientific paper

Using a canonical formalism, we determine the equation of state and the phase diagram of eight-flavour QCD, as a function of temperature and isospin density. Two mechanisms are at work: Bose condensation of pions at high density, and deconfinement at high temperature. We study their interplay and find that on our small and coarse lattice the first order deconfinement transition appears to end at a critical point at finite density. We investigate the strength of the overlap and of the sign problems and discuss implications for the baryonic density case.

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