The QCD equation of state at finite T and μ
Abstract
We calculate the pressure (p), the energy density (ε) and the baryon density (nB) of QCD at finite temperatures (T) and chemical potentials (μ). The recently proposed overlap improving multi-parameter reweighting technique is used to determine observables at nonvanishing chemical potentials. Our results are obtained by studying nf=2+1 dynamical staggered quarks with semi-realistic masses on Nt=4 lattices.
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