Vertex functions of Coulomb gauge Yang--Mills theory
arXiv:1410.4766 · doi:10.1103/PhysRevD.91.025014
Abstract
The canonical recursive Dyson--Schwinger equations for the three-gluon and ghost-gluon vertices are solved numerically. The employed truncation includes several previously neglected diagrams and includes back-coupling effects. We find an infrared finite ghost-gluon vertex and an infrared diverging three-gluon vertex. We also compare our results with those obtained in previous calculations, where bare vertices were used in the loop diagrams.
arXiv commentVersion accepted by Phys. Rev. D
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