From Quarks and Gluons to Hadrons: Chiral Symmetry Breaking in Dynamical QCD
| Autor: | Braun, Jens, Fister, Leonard, Pawlowski, Jan M., Rennecke, Fabian |
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| Rok vydání: | 2014 |
| Předmět: | |
| Zdroj: | Phys. Rev. D 94, 034016 (2016) |
| Druh dokumentu: | Working Paper |
| DOI: | 10.1103/PhysRevD.94.034016 |
| Popis: | We present an analysis of the dynamics of two-flavour QCD in the vacuum. Special attention is payed 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 renormalisation group approach to QCD amended by dynamical hadronisation techniques. The latter 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-flavour 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. Comment: 22 pages, 14 figures. v2: updated figures and discussion, matches the journal version |
| Databáze: | arXiv |
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