Comment on “Lattice gluon and ghost propagators and the strong coupling in pure SU(3)SU(3) Yang-Mills theory: Finite lattice spacing and volume effects”

Apr 6, 2017
4 pages
Published in:
  • Phys.Rev.D 96 (2017) 9, 098501
  • Published: Nov 20, 2017
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Abstract: (APS)
The authors of [Phys. Rev. D 94, 014502 (2016)PRVDAQ2470-0010] reported about a careful analysis of the impact of lattice artifacts on the SU(3) gauge-field propagators. In particular, they found that the low-momentum behavior of the renormalized propagators depends on the lattice bare coupling and interpreted this as the result of its being affected by discretization artifacts. We discuss here a different interpretation for these results.
  • gauge field theory: SU(3)
  • approximation: quenching
  • lattice field theory
  • numerical calculations
  • gluon: propagator
  • ghost: propagator
  • Landau gauge
  • lattice
  • lattice: effect
  • scale