QCD running couplings and effective charges

A Deur, SJ Brodsky, CD Roberts - Progress in Particle and Nuclear Physics, 2024 - Elsevier
We discuss our present knowledge of α s, the fundamental running coupling or effective
charge of Quantum Chromodynamics (QCD). A precise understanding of the running of α s …

Nonperturbative properties of Yang–Mills theories

MQ Huber - Physics Reports, 2020 - Elsevier
Yang–Mills theories are an important building block of the standard model and in particular
of quantum chromodynamics. Its correlation functions describe the behavior of its …

[HTML][HTML] Spectral functions of confined particles

D Binosi, RA Tripolt - Physics Letters B, 2020 - Elsevier
We determine the gluon and ghost spectral functions along with the analytic structure of the
associated propagators from numerical data describing gauge correlators at space-like …

Local and BRST-invariant Yang-Mills theory within the Gribov horizon

MAL Capri, D Dudal, D Fiorentini, MS Guimaraes… - Physical Review D, 2016 - APS
We present a local setup for the recently introduced BRST-invariant formulation of Yang-
Mills theories for linear covariant gauges that takes into account the existence of gauge …

Heavy quark dynamics via the Gribov-Zwanziger approach

Sumit, A Mukherjee, N Haque, BK Patra - Physical Review D, 2024 - APS
In this work, we investigate the momentum-dependent drag and diffusion coefficient of heavy
quarks (HQs) moving in the quark-gluon plasma background. The leading order scattering …

Refined Gribov-Zwanziger theory coupled to scalar fields in the Landau gauge

GP De Brito, P De Fabritiis, AD Pereira - Physical Review D, 2023 - APS
The refined Gribov-Zwanziger (RGZ) action in the Landau gauge accounts for the existence
of infinitesimal Gribov copies as well as the dynamical formation of condensates in the …

Yang-Mills propagators in linear covariant gauges from Nielsen identities

M Napetschnig, R Alkofer, MQ Huber, JM Pawlowski - Physical Review D, 2021 - APS
We calculate gluon and ghost propagators in Yang-Mills theory in linear covariant gauges.
To that end, we utilize Nielsen identities with Landau gauge propagators and vertices as the …

Schwinger mechanism in linear covariant gauges

AC Aguilar, D Binosi, J Papavassiliou - Physical Review D, 2017 - APS
In this work we explore the applicability of a special gluon mass generating mechanism in
the context of the linear covariant gauges. In particular, the implementation of the Schwinger …

Ghost-gluon vertex in the presence of the Gribov horizon: General kinematics

N Barrios, M Peláez, MS Guimaraes, BW Mintz… - Physical Review D, 2024 - APS
Correlation functions are important probes for the behavior of quantum field theories.
Already at tree-level, the refined Gribov-Zwanziger (RGZ) effective action for Yang-Mills …

Infrared gluon propagator in the Refined Gribov-Zwanziger scenario at one-loop order in the Landau gauge

GP de Brito, AD Pereira - Physical Review D, 2024 - APS
The refined Gribov-Zwanziger (RGZ) action in the Landau gauge provides a local and
renormalizable framework to account for the existence of infinitesimal Gribov copies in the …