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HK: Fachverband Physik der Hadronen und Kerne

HK 13: Schwerionenkollisionen und QCD Phasen

HK 13.2: Talk

Monday, March 17, 2014, 17:00–17:15, HZ 7

Chiral thermodynamics and fluctuations in the nuclear sector of the QCD phase diagram — •Matthias Drews1,2 and Wolfram Weise1,21Technische Universität München, Germany — 2ECT*, Trento, Italy

In order to study simultaneously the thermodynamics of nuclear matter and the question of chiral restoration, a chiral nucleon-meson model is analyzed. To describe successfully the dynamics, in particular close to the critical point of the liquid-gas phase transition, fluctuations are included within the framework of the functional renormalization group. The calculations for nuclear matter agree nicely with results obtained from in-medium chiral effective field theory. Moreover, for temperatures below 100 MeV and densities below twice the nuclear saturation density, no signs of a chiral phase transition are found.

This work is supported in part by BMBF and by the DFG Cluster of Excellence "Origin and Structure of the Universe."

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