A remark on the short distance potential in gluodynamics
V. I. Shevchenko
Abstract
The structure of leading nonperturbative corrections to the static Coulomb potential in QCD at small distances is analyzed. We argue in favor of the correction linearly dependent on distance and remark that lattice measurements of static potential for charges in higher representations can distinguish between different phenomenological models used to describe it. Related problems of validity of Dirac quantization condition for running charges in abelian theory and significance of the quantity <A2> are briefly discussed.
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