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4 papers · 2 filters
Higher-loop gluon and ghost propagators in Landau gauge from numerical stochastic perturbation theory
F. Di Renzo, E. -M. Ilgenfritz, H. Perlt +2
We present higher loop results for the gluon and ghost propagator in Landau gauge on the lattice calculated in numerical stochastic perturbation theory. We make predictions for the…
Clover improvement for stout-smeared 2+1 flavour SLiNC fermions: non-perturbative results
N. Cundy, M. Göckeler, R. Horsley +11
We discuss an action in which the fermion matrix has single level stout smearing for the hopping terms together with unsmeared links for the clover term. With the (tree level) Syma…
The Landau gauge lattice ghost propagator in stochastic perturbation theory
F. Di Renzo, E. -M. Ilgenfritz, H. Perlt +2
We present one- and two-loop results for the ghost propagator in Landau gauge calculated in Numerical Stochastic Perturbation Theory (NSPT). The one-loop results are compared with…
Perturbative determination of for plaquette and Symanzik gauge action and stout link clover fermions
R. Horsley, H. Perlt, P. E. L. Rakow +2
Using plaquette and Symanzik improved gauge action and stout link clover fermions we determine the improvement coefficient in one-loop lattice perturbation theory from the…