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| Natura: | Preprint |
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2024
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| Accesso online: | https://arxiv.org/abs/2405.17301 |
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| _version_ | 1866910826622877696 |
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| author | Kalusche, Gerhard Lawlor, Dale Skullerud, Jon-Ivar |
| author_facet | Kalusche, Gerhard Lawlor, Dale Skullerud, Jon-Ivar |
| contents | We study the impact of Gribov copies on the quark propagator in lattice 2-colour 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 the wave function Z(p) and the value of the gauge fixing functional, nor between the two form factors. A very mild negative correlation was found between the value of the quark mass function M(p) and the gauge fixing functional. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_17301 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Gribov copies in the quark propagator Kalusche, Gerhard Lawlor, Dale Skullerud, Jon-Ivar High Energy Physics - Lattice We study the impact of Gribov copies on the quark propagator in lattice 2-colour 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 the wave function Z(p) and the value of the gauge fixing functional, nor between the two form factors. A very mild negative correlation was found between the value of the quark mass function M(p) and the gauge fixing functional. |
| title | Gribov copies in the quark propagator |
| topic | High Energy Physics - Lattice |
| url | https://arxiv.org/abs/2405.17301 |