From quarks and gluons to hadrons: chiral symmetry breaking in dynamical QCD

We present an analysis of the dynamics of two-flavor QCD in the vacuum. Special attention is paid to the transition from the high-energy quark-gluon regime to the low-energy regime governed by hadron dynamics. This is done within a functional renormalization group approach to QCD amended by dynamica...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Braun, Jens (VerfasserIn) , Fister, Leonard (VerfasserIn) , Pawlowski, Jan M. (VerfasserIn) , Rennecke, Fabian (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 8 August 2016
In: Physical review
Year: 2016, Jahrgang: 94, Heft: 3
ISSN:2470-0029
DOI:10.1103/PhysRevD.94.034016
Online-Zugang:Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevD.94.034016
Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.94.034016
Volltext
Verfasserangaben:Jens Braun, Leonard Fister, Jan M. Pawlowski, and Fabian Rennecke
Beschreibung
Zusammenfassung:We present an analysis of the dynamics of two-flavor QCD in the vacuum. Special attention is paid to the transition from the high-energy quark-gluon regime to the low-energy regime governed by hadron dynamics. This is done within a functional renormalization group approach to QCD amended by dynamical hadronization techniques. These techniques allow us to describe conveniently the transition from the perturbative high-energy regime to the nonperturbative low-energy limit without suffering from a fine-tuning of model parameters. In the present work, we apply these techniques to two-flavor QCD with physical quark masses and show how the dynamics of the dominant low-energy degrees of freedom emerge from the underlying quark-gluon dynamics.
Beschreibung:Gesehen am 05.07.2019
Beschreibung:Online Resource
ISSN:2470-0029
DOI:10.1103/PhysRevD.94.034016