Phase structure of lattice QCD at finite temperature for 2+1 flavors of Kogut-Susskind quarks

Details Phase structure of lattice QCD at finite temperature for 2+1 flavors of Kogut-Susskind quarks Phase structure of lattice QCD at finite temperature for 2+1 flavors of Kogut-Susskind quarks

1998-09-15

arxiv.org/abs/hep-lat/9809102v2

Nucl.Phys.Proc.Suppl. 73 (1999) 459-461

Physics

High Energy Physics

High Energy Physics - Lattice

LATTICE98(hightemp), 3 pages, 4 figures

Scientific paper

10.1016/S0920-5632(99)85104-4

We report on a study of the finite-temperature chiral transition on an $N_t=4$ lattice for 2+1 flavors of Kogut-Susskind quarks. We find the point of physical quark masses to lie in the region of crossover, in agreement with results of previous studies. Results of a detailed examination of the $m_{u,d}=m_s$ case indicate vanishing of the screening mass of $\sigma$ meson at the end point of the first-order transition.

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