NNLO hard-thermal-loop thermodynamics for QCD

@article{Andersen2011NNLOHT,
  title={NNLO hard-thermal-loop thermodynamics for QCD},
  author={J. Andersen and Lars E. Leganger and M. Strickland and N. Su},
  journal={Physics Letters B},
  year={2011},
  volume={696},
  pages={468-472}
}
  • J. Andersen, Lars E. Leganger, +1 author N. Su
  • Published 2011
  • Physics
  • Physics Letters B
  • Abstract 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 ∼ 2 T c . 
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