Perturbative Yang-Mills theory without Faddeev-Popov ghost fields
Abstract
A modifed Faddeev-Popov path integral density for the quantization of Yang-Mills theory in the Feynman gauge is discussed, where contributions of the Faddeev-Popov ghost fields are replaced by multi-point gauge field interactions. An explicit calculation to O(g2) shows the equivalence of the usual Faddeev-Popov scheme and its modified version.
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