Wolfgang Unger

Emmy Noether-Fellow
High Energy Physics Group
Universitšt Bielefeld

wunger at physik.uni-bielefeld.de


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My main research interest is the thermodynamics of quantum chromodynamics (QCD), in particular via lattice QCD.
I try to understand the QCD phase diagram, and the dependence of the chiral and deconfinement transition on the quark mass and the number of quark flavors.

I am particulary interested in limits of QCD (like the chiral limit, the strong coupling limit at finite density, at the Roberge-Weiss point) where there exist various tri-critical points. I would like to understand whether and how the various tri-critical points are connected via tri-critcial lines.

Within the Emmy-Noether Project "Lattice QCD at strong coupling", we aim to tackle this problem via strong coupling expansions combined with Monte Carlo simulations, such that the QCD phase diagram can be studied in the plane of baryon chemical potential and temperature.

For the lattice QCD software "ariadne" used in this project, preliminary results and shared content for collaborators,
see here (partially password protected)