The pressure of QCD at finite temperatures and chemical potentials
By A. Vuorinen. 2003
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The perturbative expansion of the pressure of hot QCD is computed here to order g^6ln(g) in the presence of finite quark chemical potentials. In this process all two- and three-loop one-particle irreducible vacuum diagrams of the theory are evaluated at arbitrary T and mu, and these results are then used to analytically verify the outcome of an old order g^4 calculation of Freedman and McLerran for the zero-temperature pressure. The results for the pressure and the different quark number susceptibilities at high T are compared with recent lattice simulations showing excellent agreement especially for the chemical potential dependent part of the pressure.
Subfields: Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/3925ce23ed2b6ae603350c356a55df6ccea4cfad
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In Nuclear and High Energy Physics
Citations in the corpus
- INTERACTING QUARK MATTER EQUATION OF STATE FOR COMPACT STARS (2013, background): “For the pressure of QCD at non-zero density, the weak coupling expansion has so far been determined to O(α3s ln αs) at temperatures T μ/√αs (Vuorinen 2003; Ipp et al. 2006), to O(α2s ) at T = 0 (Freedman & McLerran 1977; Baluni 1978; Blaizot et al. 2001; Fraga et al. 2001; Kurkela et al. 2010a),…”