The finite temperature transition for 3-flavour lattice QCD at finite isospin density

Details The finite temperature transition for 3-flavour lattice QCD at finite isospin density The finite temperature transition for 3-flavour lattice QCD at finite isospin density

2004-07-30

arxiv.org/abs/hep-lat/0407041v1

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages LaTex, 2 postscript figures. Parallel talk presented at Lattice 2004 (non-zero), Fermilab

Scientific paper

10.1016/j.nuclphysbps.2004.11.15

We simulate 3-flavour lattice QCD with a small chemical potential $\mu_I$ for isospin, at temperatures close to the finite temperature transition. Using quark masses just above the critical mass for zero chemical potential, we determine the position of the transition from hadronic matter to a quark-gluon plasma as a function of $\mu_I$. We see evidence for a critical endpoint where the transition changes from a crossover to a first-order transition as $\mu_I$ is increased. We argue that QCD at finite $\mu_I$ and QCD at finite quark-numberchemical potential $\mu$ should behave similarly in this region.

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