QCD Field Strength Correlator at the One-Loop Order
V. I. Shevchenko
Abstract
The leading perturbative contributions into the two-point gauge-invariant correlator Tr<gF(x)U(x,0)U(0,y)F(y)U(y,0)U(0,x)> are calculated at the one-loop order. It is shown, that nonlocal condensate is nonzero at this order. The relation with the renormalization properties of Wilson loops is discussed.
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