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On the infrared behaviour of QCD Green functions in the Maximally Abelian gauge
Reinhard Alkofer, Markus Q. Huber, Valentin Mader +1
Functional equations like exact renormalisation group and Dyson-Schwinger equations have contributed to a better understanding of non-perturbative phenomena in quantum field theori…
Ghost-gluon and ghost-quark bound states and their role in BRST quartets
Natalia Alkofer, Reinhard Alkofer
A non-perturbative version of the BRST quartet mechanism in infrared Landau gauge QCD is proposed for transverse gluons and quarks. Based on the positivity violation for transverse…
Model comparison of Delta and Omega masses in a covariant Faddeev approach
Helios Sanchis-Alepuz, Reinhard Alkofer, Gernot Eichmann +1
We compute the vector-meson, nucleon and delta/omega-baryon masses and their evolution with the current-quark mass using a covariant generalized Bethe-Salpeter equation approach. T…
Delta and Omega masses in a three-quark covariant Faddeev approach
Helios Sanchis-Alepuz, Gernot Eichmann, Selym Villalba-Chavez +1
We present the solution of the Poincare-covariant Faddeev equation for the Delta(1232) and Omega(1672) baryons. The covariant structure of the corresponding baryon amplitudes and t…
A study of the influence of the gauge group on the Dyson-Schwinger equations for scalar-Yang-Mills systems
Veronika Macher, Axel Maas, Reinhard Alkofer
The particular choice of the gauge group for Yang-Mills theory plays an important role when it comes to the influence of matter fields. In particular, both the chosen gauge group a…
Infrared scaling solutions beyond the Landau gauge: The maximally Abelian gauge and Abelian infrared dominance
Markus Q. Huber, Reinhard Alkofer, Kai Schwenzer
Functional equations like exact renormalization group and Dyson-Schwinger equations have contributed to a better understanding of non-perturbative phenomena in quantum field theori…