492 citations · 688 across the 16 of their papers we have counts for
16 papers · 1 filter
On the continuum limit of Landau gauge gluon and ghost propagators in SU(2) lattice gauge gluodynamics
I. Bogolubsky, E. -M. Ilgenfritz, M. Müller-Preussker +1
We continue the systematic computation of Landau gauge gluon and ghost propagators of SU(2) gluodynamics using a sequence of increasing lattice sizes L^4 up to L=112 with correspon…
The Landau gauge gluon propagator in 4D SU(2) lattice gauge theory revisited: Gribov copies and scaling properties
I. L. Bogolubsky, E. -M. Ilgenfritz, M. Müller-Preussker +1
Lattice results for the gluon propagator in SU(2) pure gauge theory obtained on large lattices are presented. Simulated annealing is used throughout to fix the Landau gauge. We con…
Lattice gluodynamics computation of Landau-gauge Green's functions in the deep infrared
I. L. Bogolubsky, E. -M. Ilgenfritz, M. Müller-Preussker +1
We present recent results for the Landau-gauge gluon and ghost propagators in SU(3) lattice gluodynamics obtained on a sequence of lattices with linear extension ranging from L=64…
Lattice results on gluon and ghost propagators in Landau gauge
I. L. Bogolubsky, V. G. Bornyakov, G. Burgio +3
We present clear evidence of strong effects of Gribov copies in Landau gauge gluon and ghost propagators computed on the lattice at small momenta by employing a new approach to Lan…
The Landau gauge gluon propagator: Gribov problem and finite-size effects
I. L. Bogolubsky, V. G. Bornyakov, G. Burgio +4
The SU(2) gluon propagator in Landau gauge is studied on the lattice. Our gauge fixing procedure employs simulated annealing and Z(2)-flips. It finds higher maxima of the gauge fun…
Improved Landau gauge fixing and the suppression of finite-volume effects of the lattice gluon propagator
I. L. Bogolubsky, V. G. Bornyakov, G. Burgio +3
For the gluon propagator of pure SU(2) lattice gauge theory in the Landau gauge we investigate the effect of Gribov copies and finite-volume effects. Concerning gauge fixing, we en…
Lattice study of the infrared behavior of QCD Green's functions in Landau gauge
A. Sternbeck, E. -M. Ilgenfritz, M. Müller-Preussker +2
We summarize the current status of our numerical results for the gluon and ghost propagators and for the Kugo-Ojima confinement parameter in quenched SU(3) lattice Landau gauge the…
Landau gauge ghost and gluon propagators in SU(2) lattice gauge theory: Gribov ambiguity revisited
I. L. Bogolubsky, G. Burgio, V. K. Mitrjushkin +1
We reinvestigate the problem of Gribov ambiguities within the Landau (or Lorentz) gauge for the ghost and gluon propagators in pure SU(2) lattice gauge theory. We make use of the f…
Gluon propagators and the choice of the gauge field in SU(2) theory on the lattice
I. L. Bogolubsky, V. K. Mitrjushkin
We study numerically magnetic and electric gluon propagators and their dependence on the choice of the lattice gauge field $\caa_{xμ}$ in SU(2) gauge theory, espe…
Performance studies of the two-step multiboson algorithm in compact lattice QED
I. L. Bogolubsky, V. K. Mitrjushkin, I. Montvay +2
The performance of the two-step multiboson (TSMB) algorithm is investigated in comparison with the hybrid Monte Carlo (HMC) method for compact lattice QED with standard Wilson ferm…
Zero-momentum modes and chiral limit in compact lattice QED
I. L. Bogolubsky, V. K. Mitrjushkin, M. Mueller-Preussker +1
The influence of zero-momentum gauge modes on physical observables is investigated for compact lattice QED with dynamical and quenched Wilson fermions. Within the Coulomb phase, ze…
Lorentz gauge fixing and lattice QED
I. L. Bogolubsky, V. K. Mitrjushkin, M. Muller-Preussker +2
The Gribov ambiguity problem is studied for compact lattice QED within the Lorentz gauge. In the Coulomb phase, Gribov copies are mainly caused by double Dirac sheets and zero-mome…
Fermionic correlators and zero-momentum modes in quenched lattice QED
I. L. Bogolubsky, V. K. Mitrjushkin, M. Müller-Preussker +2
For the Lorentz gauge the influence of various Gribov gauge copies on the fermion propagator is investigated in quenched compact lattice QED. Within the Coulomb phase besides doubl…
Lorentz gauge fixing and the Gribov problem: the fermion correlator in lattice compact QED with Wilson fermions
I. L. Bogolubsky, V. K. Mitrjushkin, M. Müller-Preussker +2
For the Lorentz gauge the influence of Gribov copies on the fermion propagator is investigated in quenched lattice compact QED. In the Coulomb phase zero-momentum modes of the gaug…
Lorentz gauge and Gribov ambiguity in the compact lattice U(1) theory
I. L. Bogolubsky, V. K. Mitrjushkin, M. Müller-Preussker +1
The Gribov ambiguity problem is studied for compact U(1) lattice theory within the Lorentz gauge. In the Coulomb phase, it is shown that apart from double Dirac sheets all gauge (i…
Gribov copies and gauge variant correlators in U(1) lattice gauge theory
I. L. Bogolubsky, L. Del Debbio, V. K. Mitrjushkin
We discuss the influence of Dirac sheets and zero-momentum modes on the gauge variant photon correlators $Γ(τ;\vp)$ with $\vp\ne 0$ and $\vp =0$ in the pure gauge U(1) theory. A sp…