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Thermal dilepton rate and electrical conductivity: An analysis of vector current correlation functions in quenched lattice QCD
H. -T. Ding, A. Francis, O. Kaczmarek +3
We calculate the vector current correlation function for light valence quarks in the deconfined phase of QCD. The calculations have been performed in quenched lattice QCD at T=1.45…
The phase boundary for the chiral transition in (2+1)-flavor QCD at small values of the chemical potential
O. Kaczmarek, F. Karsch, E. Laermann +6
We determine the chiral phase transition line in (2+1)-flavor QCD for small values of the light quark chemical potential. We show that for small values of the chemical potential th…
Meson screening masses from lattice QCD with two light and the strange quark
M. Cheng, S. Datta, A. Francis +12
We present results for screening masses of mesons built from light and strange quarks in the temperature range of approximately between 140 MeV to 800 MeV. The lattice computations…
Towards finite density QCD with Taylor expansions
Frithjof Karsch, Bernd-Jochen Schaefer, Mathias Wagner +1
Convergence properties of Taylor expansions of observables, which are also used in lattice QCD calculations at non-zero chemical potential, are analyzed in an effective N_f = 2+1 f…
Probing freeze-out conditions in heavy ion collisions with moments of charge fluctuations
Frithjof Karsch, Krzysztof Redlich
We calculate the first four moments of baryon number, electric charge and strangeness fluctuations within the hadron resonance gas model. Different moments and their ratios as well…
O(N) universality and the chiral phase transition in QCD
Frithjof Karsch
We discuss universal scaling properties of (2+1)-flavor QCD in the vicinity of the chiral phase transition at vanishing as well as non-vanishing light quark chemical potential (mu_…