The Saga of Landau-Gauge Propagators: Gathering New Ammo
Attilio Cucchieri, Tereza Mendes
TL;DR
This paper discusses recent lattice simulation evidence supporting the massive solution of Landau-gauge QCD's Schwinger-Dyson equations, addresses Gribov-copy concerns, and presents new data from a GPU cluster study.
Contribution
It provides new insights into Landau-gauge propagators, addresses Gribov-copy effects, and reports on lattice data from a dedicated GPU cluster.
Findings
Lattice simulations support the massive solution of Landau-gauge QCD.
New GPU-based data on 2D lattice propagators is presented.
Discussion on the impact of Gribov-copy effects on lattice results.
Abstract
Compelling evidence has recently emerged from lattice simulations in favor of the massive solution of the Schwinger-Dyson equations of Landau-gauge QCD. The main objections to these lattice results are based on possible Gribov-copy effects. We recently installed at IFSC-USP a new GPU cluster dedicated to the study of Green's functions. We present here our point of view on the Saga and the status of our project. We also show data for the 2D case on a 2560^2 lattice.
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