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arXiv · hep-ph/9712459

Running Coupling in Non-Perturbative QCD - I. Bare Vertices and y-max Approximation

D. Atkinson·J. C. R. Bloch
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Abstract

A recent claim that in quantum chromodynamics the gluon propagator vanishes in the infrared limit, while the ghost propagator is more singular than a simple pole, is investigated analytically and numerically. This picture is shown to be supported even at the level in which the vertices in the Dyson-Schwinger equations are taken to be bare. The running coupling is shown to be uniquely determined by the equations and to have a large finite infrared limit.

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D. Atkinson, J. C. R. Bloch. 1998-01-06. Running Coupling in Non-Perturbative QCD - I. Bare Vertices and y-max Approximation. https://doi.org/10.1103/physrevd.58.094036

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