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

Jul 26, 2018, 8:50 AM
Centennial (Kellogg Hotel and Conference Center)


Kellogg Hotel and Conference Center

219 S Harrison Rd, East Lansing, MI 48824
Nonzero Temperature and Density Nonzero Temperature and Density


Dr Johannes Heinrich Weber (Michigan State University)


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.

Primary author

Dr Johannes Heinrich Weber (Michigan State University)


Dr Alexei Bazavov (Michigan State University) Peter Petreczky (Brookhaven National Lab)

Presentation materials