{"title":"夸克传播子中的格里波夫副本","authors":"Gerhard Kalusche, Dale Lawlor, Jon-Ivar Skullerud","doi":"arxiv-2405.17301","DOIUrl":null,"url":null,"abstract":"We study the impact of Gribov copies on the quark propagator in lattice\n2-colour QCD. We find that the Gribov noise is comparable to the gauge noise\nfor smaller volumes but becomes less significant for larger spatial volumes.\nThe Gribov noise in the quark propagator is found to be comparable to, but\nsmaller than in the gluon propagator on the same ensembles. No correlation is\nfound between the values of either of the quark propagator form factors and the\nvalue of the gauge fixing functional, nor between the two form factors.","PeriodicalId":501191,"journal":{"name":"arXiv - PHYS - High Energy Physics - Lattice","volume":"130 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Gribov copies in the quark propagator\",\"authors\":\"Gerhard Kalusche, Dale Lawlor, Jon-Ivar Skullerud\",\"doi\":\"arxiv-2405.17301\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We study the impact of Gribov copies on the quark propagator in lattice\\n2-colour QCD. We find that the Gribov noise is comparable to the gauge noise\\nfor smaller volumes but becomes less significant for larger spatial volumes.\\nThe Gribov noise in the quark propagator is found to be comparable to, but\\nsmaller than in the gluon propagator on the same ensembles. No correlation is\\nfound between the values of either of the quark propagator form factors and the\\nvalue of the gauge fixing functional, nor between the two form factors.\",\"PeriodicalId\":501191,\"journal\":{\"name\":\"arXiv - PHYS - High Energy Physics - Lattice\",\"volume\":\"130 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-05-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"arXiv - PHYS - High Energy Physics - Lattice\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/arxiv-2405.17301\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"arXiv - PHYS - High Energy Physics - Lattice","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/arxiv-2405.17301","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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 either of the quark propagator form factors and the
value of the gauge fixing functional, nor between the two form factors.
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