Perturbative QCD at non-zero chemical potential: Comparison with the large-Nf limit and apparent convergence
A. Ipp, A. Rebhan, A. Vuorinen
Abstract
The perturbative three-loop result for the thermodynamic potential of QCD at finite temperature and chemical potential as obtained in the framework of dimensional reduction is compared with the exact result in the limit of large flavor number. The apparent convergence of the former as well as possibilities for optimization are investigated. Corresponding optimized results for full QCD are given for the case of two massless quark flavors.
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