The renormalization group plays an essential role in many areas of physics, both
conceptually and as a practical tool to determine the long-distance low-energy properties of …

We review the use of an exact renormalization group equation in quantum field theory and
statistical physics. It describes the dependence of the free energy on an infrared cutoff for the …

We study the optimization of exact renormalization group (ERG) flows. We explain why the
convergence of approximate solutions towards the physical theory is optimized by …

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The relation between the deconfinement and chiral phase transition is explored in the
framework of a Polyakov-loop-extended two-flavor quark-meson (PQM) model. In this model …

We present a quantitative analysis of chiral symmetry breaking in two-flavor continuum QCD
in the quenched limit. The theory is set up at perturbative momenta, where asymptotic …

The theory of the strong interaction, quantum chromodynamics (QCD), describes the
generation of hadronic masses and the state of hadronic matter during the early stages of …

We critically review the use of the exact renormalization group equations (ERGE) in the
framework of the scalar theory. We lay emphasis on the existence of different versions of the …

The Polyakov-extended quark–meson model (PQM) is investigated beyond mean-field. This
represents an important step towards a fully dynamical QCD computation. Both the quantum …

A bstract We study the gravitational-wave signal stemming from strongly coupled models
featuring both, dark chiral and confinement phase transitions. We therefore identify strongly …