Nonperturbative gluon and ghost propagators in d=3
Joannis Papavassiliou
TL;DR
This paper investigates nonperturbative gluon and ghost propagators in three-dimensional Yang-Mills theory using Schwinger-Dyson equations, revealing dynamical gluon mass generation and agreement with lattice simulations.
Contribution
It introduces a nonperturbative analysis of propagators in d=3 Yang-Mills using the Schwinger-Dyson equations and the Schwinger mechanism for mass generation.
Findings
Gluon propagator becomes infrared finite due to dynamical mass.
Ghost dressing function remains finite in the infrared.
Results align well with SU(2) lattice data.
Abstract
We study the nonperturbative gluon and ghost propagators in d=3 Yang-Mills, using the Schwinger-Dyson equations of the pinch technique. The use of the Schwinger mechanism leads to the dynamical generation of a gluon mass, which, in turn, gives rise to an infrared finite gluon propagator and ghost dressing function. The propagators obtained are in very good agreement with the results of SU(2) lattice simulations.
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