Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2010-12-22
PoS(Lattice 2010)173
Physics
High Energy Physics
High Energy Physics - Lattice
7 pages, 7 figures, talk presented at the XXVIII International Symposium on Lattice Field Theory, June 14-19, 2010, Villasimiu
Scientific paper
We determine the pseudo-critical couplings at imaginary chemical potentials by high-statistics Monte Carlo simulations of QCD with four degenerate quarks at non-zero temperature and baryon density by the method of analytic continuationan. We reveal deviations from the simple quadratic dependence on the chemical potential visible in earlier works on the same subject. Finally, we discuss the implications of our findings for the shape of the pseudo-critical line at real chemical potential, comparing different possible extrapolations.
Cea Paolo
Cosmai Leonardo
D'Elia Marcella
Papa Alessandro
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