Coulomb gauge gluon propagator and the Gribov formula
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We analyze the lattice SU(2) Yang-Mills theory in Coulomb gauge. We show that the static gluon propagator is multiplicative renormalizable and takes the simple form $D(|\vec{p}|)^{-1}=\sqrt{|\vec{p}|^2+M^4/|\vec{p}|^2}$, proposed by Gribov through heuristic arguments many years ago. We find $M=0.88(1) {\rm GeV} \simeq 2 \sqrtσ$.
10 pages, 2 figures. Slight change of notations, some point clarified. To appear on Phys. Rev. Lett
10 pages, 2 figures. Slight change of notations, some point clarified. To appear on Phys. Rev. Lett