Gluon and ghost propagators in the Landau gauge: Deriving lattice results from Schwinger-Dyson equations
A. C. Aguilar, D. Binosi, J. Papavassiliou
TL;DR
This paper demonstrates that a new gauge-invariant truncation of Schwinger-Dyson equations in QCD reproduces lattice results, showing an infrared finite gluon propagator and a divergent ghost propagator in Landau gauge.
Contribution
It introduces a novel gauge-invariant truncation scheme for Schwinger-Dyson equations that aligns with lattice QCD findings.
Findings
Infrared finite gluon propagator
Divergent ghost propagator
Qualitative agreement with lattice data
Abstract
We show that the application of a novel gauge invariant truncation scheme to the Schwinger-Dyson equations of QCD leads, in the Landau gauge, to an infrared finite gluon propagator and a divergent ghost propagator, in qualitative agreement with recent lattice data.
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