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  Local and BRST-invariant Yang-Mills theory within the Gribov horizon

Capri, M. A. L., Dudal, D., Fiorentini, D., Guimaraes, M. S., Justo, I. F., Pereira, A. D., et al. (2016). Local and BRST-invariant Yang-Mills theory within the Gribov horizon. Physical Review D, 94: 025035. doi:10.1103/PhysRevD.94.025035.

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 Creators:
Capri, M. A. L., Author
Dudal, D., Author
Fiorentini, D., Author
Guimaraes, M. S., Author
Justo, I. F., Author
Pereira, A. D.1, Author
Mintz, B. W., Author
Palhares, L. F., Author
Sobreiro, R. F., Author
Sorella, S. P., Author
Affiliations:
1AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, ou_24008              

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Free keywords: High Energy Physics - Theory, hep-th,High Energy Physics - Lattice, hep-lat,High Energy Physics - Phenomenology, hep-ph
 Abstract: We present a local setup for the recently introduced BRST-invariant formulation of Yang-Mills theories for linear covariant gauges that takes into account the existence of gauge copies \`a la Gribov and Zwanziger. Through the convenient use of auxiliary fields, including one of the Stueckelberg type, it is shown that both the action and the associated nilpotent BRST operator can be put in local form. Direct consequences of this fully local and BRST-symmetric framework are drawn from its Ward identities: (i) an exact prediction for the longitudinal part of the gluon propagator in linear covariant gauges that is compatible with recent lattice results and (ii) a proof of the gauge-parameter independence of all correlation functions of local BRST-invariant operators.

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 Dates: 2016-05-092016
 Publication Status: Issued
 Pages: 29 pages
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 94 Sequence Number: 025035 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258