204 citations · 1.4k across the 72 of their papers we have counts for
74 papers
Topology (and axion's properties) from lattice QCD with a dynamical charm
Florian Burger, Ernst-Michael Ilgenfritz, Maria Paola Lombardo +2
We present results on QCD with four dynamical flavors in the temperature range . We have performed lattice simulations with Wilson fermions at maxima…
Dyons near the transition temperature in lattice QCD
V. G. Bornyakov, E. -M. Ilgenfritz, B. V. Martemyanov +1
We study the topological structure of QCD by cluster analysis. The fermionic topological charge density is constructed from low lying modes of overlap Dirac operator for three type…
Topological susceptibility from lattice QCD at nonzero temperature
A. Trunin, F. Burger, E. -M. Ilgenfritz +2
We present results for the topological susceptibility at nonzero temperature obtained from lattice QCD with four dynamical quark flavours. We apply different smoothing methods, inc…
Towards the quark--gluon plasma Equation of State with dynamical strange and charm quarks
F. Burger, E. -M. Ilgenfritz, M. P. Lombardo +2
We present an ongoing project aimed at determining the thermodynamic Equation of State (EoS) of quark--gluon matter from lattice QCD with two generations of dynamical quarks. We em…
Dual simulation of the 2-dimensional lattice U(1) gauge-Higgs model with a topological term
Christof Gattringer, Thomas Kloiber, Michael Müller-Preussker
The 2-dimensional U(1) gauge-Higgs model with a topological term is a simple example of a lattice field theory where the complex action problem comes from the topological term. We…
The equation of state of quark-gluon matter from lattice QCD with two flavors of twisted-mass Wilson fermions
F. Burger, E. -M. Ilgenfritz, M. P. Lombardo +1
We report on lattice QCD results for the thermodynamic equation of state of quark-gluon matter obtained with Nf=2 degenerate quark flavors. For the fermion field discretization we…
Two-Color QCD with Chiral Chemical Potential
V. V. Braguta, V. A. Goy, E. -M. Ilgenfritz +5
The phase diagram of two-color QCD with a chiral chemical potential is studied on the lattice. The focus is on the confinement/deconfinement phase transition and the breaking/resto…
Dyon structures in the deconfinement phase of lattice gluodynamics: topological clusters, holonomies and Abelian monopoles
V. G. Bornyakov, E. -M. Ilgenfritz, B. V. Martemyanov +1
The topological structure of lattice gluodynamics is studied at intermediate resolution scale in the deconfining phase with the help of a cluster analysis. UV filtered topological…
Two-colour QCD at non-zero temperature in the presence of a strong magnetic field
M. Muller-Preussker, B. Petersson, A. Schreiber +2
In this talk we report on our study of two-colour lattice QCD with N_f=4 staggered fermion degrees of freedom with equal electric charge q in a homogeneous magnetic field B at non-…
Landau gauge gluon and ghost propagators from two-flavor lattice QCD at T > 0
R. Aouane, F. Burger, M. Muller-Preussker +2
In this contribution we extend our unquenched computation of the Landau gauge gluon and ghost propagators in lattice QCD at non-zero temperature. The study was aimed at providing i…
Towards thermodynamics with twisted mass quarks
Florian Burger, Grit Hotzel, Michael Müller-Preussker +2
We present preliminary results achieved within a recently started project dealing with QCD thermodynamics in the presence of a fully dynamical second quark family. We are employing…
Magnetic catalysis (and inverse catalysis) at finite temperature in two-color lattice QCD
E. -M. Ilgenfritz, M. Muller-Preussker, B. Petersson +1
Two-color lattice QCD with N_f=4 staggered fermion degrees of freedom (no rooting trick is applied) with equal electric charge q is studied in a homogeneous magnetic background fie…
Topology near the transition temperature in lattice gluodynamics analyzed by low lying modes of the overlap Dirac operator
E. -M. Ilgenfritz, B. V. Martemyanov, M. Muller-Preussker
Topological objects of gluodynamics are studied at the infrared scale near the transition temperature with the help of zero and near-zero modes of the overlap Dirac operato…
Topology across the finite temperature transition studied by overimproved cooling in gluodynamics and QCD
V. G. Bornyakov, E. -M. Ilgenfritz, B. V. Martemyanov +2
Gluodynamics and two-flavor QCD at non-zero temperature are studied with the so-called overimproved cooling technique under which caloron solutions may remain stable. We consider t…
Quasi-Monte Carlo methods for lattice systems: a first look
K. Jansen, H. Leovey, A. Ammon +2
We investigate the applicability of Quasi-Monte Carlo methods to Euclidean lattice systems for quantum mechanics in order to improve the asymptotic error behavior of observables fo…
Landau gauge ghost propagator and running coupling in SU(2) lattice gauge theory
V. G. Bornyakov, E. -M. Ilgenfritz, C. Litwinski +2
We study finite (physical) volume and scaling violation effects of the Landau gauge ghost propagator as well as of the running coupling in the lattice gauge theory…
Application of Ewald's Method for Efficient Summation of Dyon Long-Range Potentials
Benjamin Maier, Falk Bruckmann, Simon Dinter +3
We study a model of dyons for SU(2) Yang-Mills theory at finite temperature T < T_c, in particular its ability to generate a confining force between a static quark antiquark pair.…
Landau gauge gluon and ghost propagators from lattice QCD with Nf=2 twisted mass fermions at finite temperature
R. Aouane, F. Burger, E. -M. Ilgenfritz +2
We investigate the temperature dependence of the Landau gauge gluon and ghost propagators in lattice QCD with two flavors of maximally twisted mass fermions. For these propagators…
Lattice evidence for the family of decoupling solutions of Landau gauge Yang-Mills theory
Andre Sternbeck, Michael Müller-Preussker
We show that the low-momentum behavior of the lattice Landau-gauge gluon and ghost propagators is sensitive to the lowest non-trivial eigenvalue (λ_1) of the Faddeev-Popov operator…
Quark mass and chiral condensate from the Wilson twisted mass lattice quark propagator
Florian Burger, Vittorio Lubicz, Michael Müller-Preussker +2
In this work, we report about the determination of nonperturbative OPE parameters from fits of continuum perturbation theory to the Landau gauge quark propagator. The propagators a…
Cooling study of Dirac sheets in SU(3) lattice gauge theory below T_c
E. -M. Ilgenfritz, B. V. Martemyanov, M. Müller-Preussker
Using a standard cooling method for SU(3) lattice gauge fields constant Abelian magnetic field configurations are extracted after dyon-antidyon constituents forming metastable Q=0…
Two-color QCD with staggered fermions at finite temperature under the influence of a magnetic field
E. -M. Ilgenfritz, M. Kalinowski, M. Muller-Preussker +2
In this paper we investigate the influence of a constant external magnetic field on the finite-temperature phase structure and the chiral properties of a simplified lattice model f…
Vacuum structure and string tension in Yang-Mills dimeron ensembles
Falk Zimmermann, Hilmar Forkel, Michael Muller-Preussker
We numerically simulate ensembles of SU(2) Yang-Mills dimeron solutions with a statistical weight determined by the classical action and perform a comprehensive analysis of their p…
Confining dyon gas with finite-volume effects under control
Falk Bruckmann, Simon Dinter, Ernst-Michael Ilgenfritz +3
As an approach to describe the long-range properties of non-Abelian gauge theories at non-zero temperature T < T_c, we consider a non-interacting ensemble of dyons (magnetic monopo…