Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2010-05-07
J.Phys.Conf.Ser.230:012014,2010
Physics
High Energy Physics
High Energy Physics - Lattice
16 pages, 17 figures, talk presented at the 26th Winter Workshop on Nuclear Dynamics, Ocho Rios, Jamaica, January 2-9, 2010, t
Scientific paper
10.1088/1742-6596/230/1/012014
We report on investigations of the chiral and deconfinement aspects of the finite temperature transition in 2+1 flavor QCD using the Highly Improved Staggered Quark (HISQ) action on lattices with temporal extent $N_\tau=6$ and $N_\tau=8$. We have performed the calculations for physical values of the strange quark mass $m_s$ and the light quark masses $m_l=0.2m_s$ and $0.05m_s$. Several finite temperature observables, including the renormalized Polyakov loop, the renormalized chiral condensate and the chiral susceptibility have been calculated. We also study the fluctuations and correlations of different conserved charges as well as the trace anomaly at finite temperature. We compare our findings with previous calculations that use different improved staggered fermion formulations: asqtad, p4 and stout.
Bazavov Alexei
Petreczky Peter
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