NNLO hard-thermal-loop thermodynamics for QCD

Details NNLO hard-thermal-loop thermodynamics for QCD NNLO hard-thermal-loop thermodynamics for QCD

2010-09-23

arxiv.org/abs/1009.4644v1

Phys.Lett.B696:468-472,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 2 figs

Scientific paper

10.1016/j.physletb.2010.12.070

We calculate the thermodynamic functions of a quark-gluon plasma for general N_c and N_f to three-loop order using hard-thermal-loop perturbation theory. At this order, all the ultraviolet divergences can be absorbed into renormalizations of the vacuum, the HTL mass parameters, and the strong coupling constant.We show that at three loops, the results for the pressure and trace anomaly are in very good agreement with recent lattice data down to temperatures T~2T_c.

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