On General Axial Gauges for QCD

Details On General Axial Gauges for QCD On General Axial Gauges for QCD

1998-09-03

arxiv.org/abs/hep-th/9809023v1

Nucl.Phys.Proc.Suppl. 74 (1999) 329-332

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, latex, talk presented by DFL at QCD'98, Montpellier, July 2-8, 1998; to be published in Nucl. Phys. B (Proc. Suppl.)

Scientific paper

10.1016/S0920-5632(99)00188-7

General Axial Gauges within a perturbative approach to QCD are plagued by 'spurious' propagator singularities. Their regularisation has to face major conceptual and technical problems. We show that this obstacle is naturally absent within a Wilsonian or 'Exact' Renormalisation Group approach and explain why this is so. The axial gauge turns out to be a fixed point under the flow, and the universal 1-loop running of the gauge coupling is computed.

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