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  • 标题:Gluon mass through ghost synergy
  • 本地全文:下载
  • 作者:A.C. Aguilar
  • 期刊名称:PoS - Proceedings of Science
  • 印刷版ISSN:1824-8039
  • 出版年度:2011
  • 卷号:2011
  • 期号:QCD-TNT-ll
  • 出版社:SISSA, Scuola Internazionale Superiore di Studi Avanzati
  • 摘要:Exploiting the gauge-invariant properties of the PT-BFM truncation scheme for the gluon Schwinger-Dyson equation, we estimate the individual non-perturbative contribution of the “oneloop dressed” ghost loop to the gluon propagator. Using the available quenched lattice data for the gluon and the ghost propagators in d = 4 and d = 3, we determine how the overall shape of the gluon propagator is affected by the removal of the ghost loop, and what are the consequences on the phenomenon of gluon mass generation.
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