出版社：SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要：We investigate correlation functions of the Polyakov loop and static meson/diquark systems with
the chiral condensate and the quark number density at finite temperature. In particular the latter
observable can give insight into the mechanism of screening and string breaking at finite temperature.
We use for our analysis gauge field configurations generated in 2+1 flavor QCD with an
improved staggered fermion action with almost physical light quark masses and a physical value
of the strange quark mass on lattices with temporal extent Nτ = 4 and 6.
