Lattice determination of the critical point of QCD at finite T and μ
By Zoltán Fodor, Sándor D. Katz. 2001
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Based on universal arguments it is believed that there is a critical point (E) in QCD on the temperature (T) versus chemical potential (μ) plane, which is of extreme importance for heavy-ion experiments. Using finite size scaling and a recently proposed lattice method to study QCD at finite μ we determine the location of E in QCD with nf = 2+1 dynamical staggered quarks with semi-realistic masses on Lt = 4 lattices. Our result is TE = 160±3.5 MeV and μE = 725±35 MeV. For the critical temperature at μ = 0 we obtained Tc = 172±3 MeV.
View Paper: https://www.semanticscholar.org/paper/0581606745a57a0e36aadfb24ed2241d6209d47d
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Citations in the corpus
- Strongly correlated quantum fluids: ultracold quantum gases, quantum chromodynamic plasmas and holographic duality (2012, background): “A number of exploratory calculations have been performed [207, 208, 209, 210], but at this point it is not even clear whether the idea that the transition strengthens as the baryon chemical potential increases is correct [211].”
- The QCD phase diagram from analytic continuation (2015, methodology): “Attempts to reach non-vanishing μB on the lattice include reweighting of the generated configurations [9–13], Taylor expansion in μ [14–18], analytic continuation from imaginary μ [19–26], use of the canonical ensemble [27–29] and density of state methods [30,31].”