Alternative refined Gribov-Zwanziger Lagrangian

Abstract

We consider the implications of the condensation of a general local BRST invariant dimension two operator built out of the localizing ghost fields of the Gribov-Zwanziger Lagrangian which is a localized Lagrangian incorporating the Gribov problem in the Landau gauge. For different colour tensor projections of the general operator, the properties of a frozen gluon propagator and unenhanced Faddeev-Popov ghost propagator, which are observed in lattice computations, can be reproduced. The alternative possibilities are distinguished by the infrared structure of the propagators of the spin-1 fields, other than those of the gluon and Faddeev-Popov ghost, for which there is no numerical simulation data to compare with yet.

29 latex pages

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Cited by in corpus (36)

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• Locating the Gribov horizon
• Correlation functions of Landau gauge Yang-Mills theory
• High Precision Statistical Landau Gauge Lattice Gluon Propagator Computation vs. the Gribov-Zwanziger approach
• QCD Running Couplings and Effective Charges
• More on the non-perturbative Gribov-Zwanziger quantization of linear covariant gauges
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• On the analytic structure of scalar glueball operators at Born level
• Properties of the Faddeev-Popov operator in the Landau gauge, matter confinement and soft BRST breaking
• Renormalizability of the Refined Gribov-Zwanziger action in the linear covariant gauges
• Semiclassical analysis of the phases of 4d SU(2) Higgs gauge systems with cutoff at the Gribov horizon
• On the computation of the spectral density of two-point functions: complex masses, cut rules and beyond
• The ghost-gluon vertex in the presence of the Gribov horizon
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• On bounds and boundary conditions in the continuum Landau gauge
• Spectral dimension as a tool for analyzing non-perturbative propagators
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• Gribov-Zwanziger confinement, high energy evolution and large impact parameter behaviour of the scattering amplitude
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• Natural solution in the refined Gribov-Zwanziger theory
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