Short comment about the lattice gluon propagator at vanishing momentum
Ph. Boucaud, Th. Brüntjen, J. P. Leroy, A. Le~Yaouanc, A. Y. Lokhov, J. Micheli, O. Pène, J. Rodríguez-Quintero, C. Roiesnel
Abstract
We argue that all evidences point towards a finite non-vanishing zero momentum renormalised lattice gluon propagator in the infinite volume limit. We argue that different simulations with different lattice setups end-up with fairly compatible results for the gluon propagator at zero momentum, with different positive slopes as a function of the inverse volume.
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