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The theory of strong interactions, QuantumChromoDynamics, exhibits a strongly correlated low energy regime. This regime is governed by two phenomena, strong spontaneous chiral symmetry breaking and confinement. While the former phenomenon is responsible for most of the visible mass in the universe, the emergence of the latter is still not fully understood. Experimental access to QCD at large and small energies, temperatures and densities is obtained via heavy ion collisions within a non-equilibrium evolution. In summary the understanding of QCD requires theoretical approaches that can deal with both, strongly-correlated physics as well as non-equilibrium processes. The past years have seen tremendous progress in the description of QCD at vanishing and finite temperature and density with functional diagrammatic approaches, such as the functional renormalisation group or Dyson-Schwinger equations. Within these approaches QCD correlation functions of quarks, gluon and hadrons are computed non-perturbatively from first principles. In the present talk I will discuss respective results for strongly-correlated vaccum QCD, the phase structure of QCD at finite temperature and density, as well as its dynamics close to equilibrium. The talk concludes with a discussion of the further prospects for our understanding of the phase structure and dynamics of QCD.

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Jan M. Pawlowski, University of Heidelberg
SR 0.03 TP
Contact: Sebastian Diehl