Gribov copies in the quark propagator
Open Access
- 5 February 2025
- journal article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 111 (3)
Abstract
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. Published by the American Physical Society 2025Keywords
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Funding Information
- National University of Ireland, Maynooth
- Science Foundation Ireland (11-RFP.1-PHY3193)
- Science and Technology Facilities Council (ST/K000373/1, ST/R002363/1, ST/R001014/1)
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