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Gribov copies in the quark propagator

May 27, 2024

9 pages

Published in:

Phys.Rev.D 111 (2025) 3, 3

Published: Feb 1, 2025

e-Print:

2405.17301 [hep-lat]

DOI:

10.1103/PhysRevD.111.034501 (publication)

View in:

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Abstract: (APS)

We study the impact of Gribov copies on the quark propagator in lattice 2-color quantum chromodynamics (QCD). We find that the Gribov noise is comparable to the gauge noise for smaller volumes but becomes less significant for larger spatial volumes. The Gribov noise in the quark propagator is found to be comparable to, but smaller than in the gluon propagator on the same ensembles. No correlation is found between the values of either of the quark propagator form factors and the value of the gauge fixing functional, nor between the two form factors.

Note:

9 pages, 14 figure files. Updated analysis, content matches published version

quark: propagator
gluon: propagator
noise
Gribov problem
form factor
quantum chromodynamics
color: 2
lattice
correlation
gauge fixing

References(37)

Figures(14)

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