Orateur
Description
Given the well-known limitations of the perturbative approach to Yang-Mills theories in the infrared regime, it is often interesting to resort to nonperturbative methods, such as Lattice QCD, Schwinger-Dyson equations, Renormalization Group Methods, and effective models. In particular, the so-called Refined Gribov-Zwanziger (RGZ) effective model has successfully described a nontrivial infrared behavior of gauge field propagators, being very close to the ones observed in numerical lattice gauge field theory simulations.
We discuss the one-loop correction to the the ghost-anti-ghost-gluon interaction vertex, in the RGZ theory. Our analytical results are fairly compatible with lattice YM simulations. We also discuss our current efforts to calculate the one-loop correction to the RGZ gluon propagator.
