Equation of state in (2+1) flavor QCD at high temperatures
High Energy Physics - Lattice
2018-12-03 v1 High Energy Physics - Phenomenology
Nuclear Theory
Abstract
We calculate the Equation of State at high temperatures in (2+1) flavor QCD using the highly improved staggered quark (HISQ) action. We study the lattice spacing dependence of the pressure at high temperatures using lattices with temporal extent and and perform continuum extrapolations. We also give a continuum estimate for the Equation of State up to temperatures GeV, which are then compared with results of the weak-coupling calculations. We find reasonable agreement with the HTL calculation at the highest temperatures and a tension with the EQCD calculation of a few percent, with the lattice results in the middle between both.
Keywords
Cite
@article{arxiv.1811.12902,
title = {Equation of state in (2+1) flavor QCD at high temperatures},
author = {Johannes Heinrich Weber and Alexei Bazavov and Peter Petreczky},
journal= {arXiv preprint arXiv:1811.12902},
year = {2018}
}
Comments
Parallel talk at the XIIIth Quark Confinement and the Hadron Spectrum conference. 12 pages, 8 figures