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Bochum 2018 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 46: Heavy Ion Collisions and QCD Phases VII

HK 46.4: Talk

Thursday, March 1, 2018, 15:00–15:15, HZO 60

Taylor coefficients of the quark pressure from Dyson-Schwinger equations — •Philipp Isserstedt1, Michael Buballa2, and Christian Fischer11Institut für Theoretische Physik, Justus-Liebig-Universität Gießen — 2Institut für Kernphysik, Theoriezentrum, Technische Universität Darmstadt

We report on an investigation of the Taylor coefficients of the quark pressure using the non-perturbative framework of Dyson-Schwinger equations. The rainbow-ladder truncation is used to get a closed system of equations for the quark propagator and the derivatives of the latter with respect to the chemical potential are calculated self-consistently instead of using a difference quotient. We compare our results for the second and fourth coefficient to a previous Dyson-Schwinger study and results from lattice QCD.

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