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On the Infrared Behaviour of Landau Gauge Yang-Mills Theory with Differently Charged Scalar Fields
Reinhard Alkofer, Leonard Fister, Axel Maas +1
Recently it has been argued that infrared singularities of the quark-gluon vertex of Landau gauge QCD can confine static quarks via a linear potential. It is demonstrated that the…
On baryon properties from a covariant Faddeev approach
Helios Sanchis-Alepuz, Reinhard Alkofer, Gernot Eichmann +1
The Poincare-covariant Faddeev equation and its solution in rainbow-ladder truncation, i.e., with a generalized gluon exchange as irreducible two-particle-interaction, is presented…
Delta properties in the rainbow-ladder truncation of Dyson-Schwinger equations
D. Nicmorus, G. Eichmann, A. Krassnigg +1
We present a calculation of the three-quark core contribution to nucleon and Delta-baryon masses and Delta electromagnetic form factors in a Poincare-covariant Faddeev approach. A…
Delta and Omega electromagnetic form factors in a Dyson-Schwinger/Bethe-Salpeter approach
Diana Nicmorus, Gernot Eichmann, Reinhard Alkofer
We investigate the electromagnetic form factors of the Delta and the Omega baryons within the Poincare-covariant framework of Dyson-Schwinger and Bethe-Salpeter equations. The thre…
Schwinger pair production in space- and time-dependent electric fields: Relating the Wigner formalism to quantum kinetic theory
Florian Hebenstreit, Reinhard Alkofer, Holger Gies
The non-perturbative electron-positron pair production (Schwinger effect) is considered for space- and time-dependent electric fields . Based on the Dirac-Heise…