Gluon-ghost condensate of mass dimension 2 in the Curci-Ferrari gauge
D. Dudal, H. Verschelde, V. E. R. Lemes, M. S. Sarandy, S. P. Sorella,, M. Picariello
TL;DR
This paper investigates the gluon-ghost condensate of mass dimension 2 in the Curci-Ferrari gauge, analyzing its effective potential and gauge parameter independence within SU(N) Yang-Mills theory.
Contribution
It combines local composite operator technique with algebraic renormalization to analyze the condensate's effective potential and gauge independence.
Findings
Vacuum energy is gauge parameter independent.
Special case analysis for Landau gauge.
Insights into gluon-ghost condensate behavior in Yang-Mills.
Abstract
The effective potential for an on-shell BRST invariant gluon-ghost condensate of mass dimension 2 in the Curci-Ferrari gauge in SU(N) Yang-Mills is analysed by combining the local composite operator technique with the algebraic renormalization. We pay attention to the gauge parameter independence of the vacuum energy obtained in the considered framework and discuss the Landau gauge as an interesting special case.
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