Equation of state in 2 + 1 flavor QCD at high temperatures

Bazavov, A.; Petreczky, P.; Weber, J. H.

doi:10.1103/PhysRevD.97.014510

Title: Equation of state in $2 + 1$ flavor QCD at high temperatures

Journal Article · Wed Jan 31 00:00:00 EST 2018 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.97.014510· OSTI ID:1418878

Bazavov, A.; Petreczky, P.; Weber, J. H.

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 N(tau) = 6, 8, 10 and 12 and perform continuum extrapolations. We also give a continuum estimate for the Equation of State up to temperatures T = 2 GeV, which are then compared with results of the weak-coupling calculations. We find a reasonably good agreement with the weak-coupling calculations at the highest temperatures.

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Research Organization:: Brookhaven National Lab. (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: SC0012704

OSTI ID:: 1418878

Alternate ID(s):: OSTI ID: 1431285

Report Number(s):: BNL-203416-2018-JAAM; PRVDAQ; 014510

Journal Information:: Physical Review D, Journal Name: Physical Review D Vol. 97 Journal Issue: 1; ISSN 2470-0010

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 43 works

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