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Infrared Behavior of 3-Point Functions in Landau Gauge Yang-Mills Theory
Markus Q. Huber, Reinhard Alkofer, Kai Schwenzer
The three-gluon and ghost-gluon vertices of Landau gauge Yang-Mills theory are investigated in the low momentum regime. Due to ghost dominance in the infrared we can use the known…
Meson and nucleon properties from Dyson-Schwinger QCD
Gernot Eichmann, Reinhard Alkofer, Andreas Krassnigg +1
We present selected results from a calculation of meson and nucleon observables in a Green-function approach. A rainbow-ladder truncation of QCD's Dyson-Schwinger equations is used…
Confinement and Green functions in Landau-gauge QCD
Reinhard Alkofer, Christian S. Fischer, Markus Q. Huber +2
In a functional approach to QCD the infrared behaviour of Landau gauge Green functions is investigated. Positivity violation for, and thus confinement of, gluons is demonstrated, a…
Delta-baryon mass in a covariant Faddeev approach
D. Nicmorus, G. Eichmann, A. Krassnigg +1
We present a calculation of the three-quark core contribution to the mass of the Delta-baryon in a Poincare-covariant Faddeev framework. A consistent setup for the dressed-quark pr…
Infrared Behavior of Three-Point Functions in Landau Gauge Yang-Mills Theory
Reinhard Alkofer, Markus Q. Huber, Kai Schwenzer
Analytic solutions for the three-gluon and ghost-gluon vertices in Landau gauge Yang-Mills theory at low momenta are presented in terms of hypergeometric series. They do not only s…
On unifying the description of meson and baryon properties
G. Eichmann, I. C. Cloet, R. Alkofer +2
A Poincare' covariant Faddeev equation is presented, which enables the simultaneous prediction of meson and baryon observables using the leading-order in a truncation of the Dyson-…