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Symmetry restoration and the gluon mass in the Landau gauge

by Urko Reinosa, Julien Serreau, Rodrigo Carmo Terin, Matthieu Tissier

Submission summary

As Contributors: Julien Serreau
Arxiv Link: https://arxiv.org/abs/2004.12413v1
Date submitted: 2020-04-28
Submitted by: Serreau, Julien
Submitted to: SciPost Physics
Discipline: Physics
Subject area: High-Energy Physics - Theory
Approach: Theoretical

Abstract

We investigate the generation of a gluon screening mass in Yang-Mills theory in the Landau gauge. We propose a gauge-fixing procedure where the Gribov ambiguity is overcome by summing over all Gribov copies with some weight function. This can be formulated in terms of a local field theory involving constrained, nonlinear sigma model fields. We show that a phenomenon of radiative symmetry restoration occurs in this theory, similar to what happens in the standard nonlinear sigma model in two dimensions. This results in a nonzero gluon screening mass, as seen in lattice simulations.

Current status:
Editor-in-charge assigned


Submission & Refereeing History

Submission 2004.12413v1 on 28 April 2020

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