Speaker
Dr
Leticia Palhares
(UERJ)
Description
In this seminar, we investigate the role of a non-perturbative
breaking of the BRST invariance in the infrared regime of non-Abelian
gauge theories and its possible relation to confinement.
This breaking naturally arises from the procedure of quantization of
Landau-gauge Yang-Mills theories that takes into account the presence
of Gribov copies. The resulting non-perturbative framework -- the
Refined Gribov-Zwanziger theory -- is consistent with different
lattice data. One can also construct direct signatures of BRST
breaking in the matter sector of confining Yang-Mills theories that
are in principle accessible via lattice simulations, allowing for a
new non-perturbative model of matter confinement that can be treated
(semi-)analytically.
Author
Dr
Leticia Palhares
(UERJ)
