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6 papers · 2 filters
Landau Gauge Gluon and Ghost Propagators from Lattice QCD
E. -M. Ilgenfritz, M. Müller-Preussker, A. Sternbeck +2
We report on recent numerical computations of the Landau gauge gluon and ghost propagators as well as of the ghost-gluon vertex function in pure SU(3) Yang-Mills theory and in full…
Hadron spectrum, quark masses and decay constants from light overlap fermions on large lattices
D. Galletly, M. Gürtler, R. Horsley +5
We present results from a simulation of quenched overlap fermions with Lüscher-Weisz gauge field action on lattices up to and for pion masses down to MeV. A…
Moments of pseudoscalar meson distribution amplitudes from the lattice
V. M. Braun, M. Göckeler, R. Horsley +8
Based on lattice simulations with two flavours of dynamical, O(a)-improved Wilson fermions we present results for the first two moments of the distribution amplitudes of pseudoscal…
Renormalisation of Composite Operators in Lattice Perturbation Theory with Clover Fermions: Non-forward Matrix Elements
M. Göckeler, R. Horsley, H. Perlt +4
We consider the renormalisation of lattice QCD operators with one and two covariant derivatives related to the first and second moments of generalised parton distributions and meso…
Unquenched complex Dirac spectra at nonzero chemical potential: two-colour QCD lattice data versus matrix model
G. Akemann, E. Bittner
We compare analytic predictions of non-Hermitian chiral random matrix theory with the complex Dirac operator eigenvalue spectrum of two-colour lattice gauge theory with dynamical f…
Gauge-variant propagators and the running coupling from lattice QCD
E. -M. Ilgenfritz, M. Müller-Preussker, A. Sternbeck +1
On the occasion of the 70th birthday of Prof. Adriano Di Giacomo we report on recent numerical computations of the Landau gauge gluon and ghost propagators as well as of a non-symm…