Masslessness of ghosts in equivariantly gauge-fixed Yang-Mills theories
Journal Article
·
· Physical Review. D, Particles Fields
- Department of Physics and Astronomy, San Francisco State University, San Francisco, California 94132 (United States)
We show that the one-loop ghost self-energy in an equivariantly gauge-fixed Yang-Mills theory vanishes at zero momentum. A ghost mass is forbidden by equivariant BRST symmetry, and our calculation confirms this explicitly. The four-ghost self interaction which appears in the equivariantly gauge-fixed Yang-Mills theory is needed in order to obtain this result.
- OSTI ID:
- 20709502
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 11 Vol. 71; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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