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- Max Planck Institute for Mathematics in the SciencesDE139 papers
- Deutsches Elektronen-Synchrotron DESYDE122 papers
- University of RegensburgDE105 papers
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- Centre National de la Recherche ScientifiqueFR76 papers
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7 papers · 2 filters
Two-point functions of quenched lattice QCD in Numerical Stochastic Perturbation Theory
F. Di Renzo, E. -M. Ilgenfritz, H. Perlt +2
We summarize the higher-loop perturbative computation of the ghost and gluon propagators in SU(3) Lattice Gauge Theory. Our final aim is to compare with results from lattice simula…
On the type of the temperature phase transition in phi-4 model
M. Bordag, V. Demchik, A. Gulov +1
The temperature induced phase transition is investigated in the one-component scalar field ϕ^4 model on a lattice by using Monte Carlo simulations. Using the GPGPU technology a hug…
NSPT study of the three-loop lattice gluon propagator in Landau gauge
C. Torrero, F. Di Renzo, E. -M. Ilgenfritz +2
By means of Numerical Stochastic Perturbation Theory (NSPT), we calculate the lattice gluon propagator up to three loops of perturbation theory in the limits of infinite volume and…
SU(3) Landau gauge gluon and ghost propagators using the logarithmic lattice gluon field definition
Ernst-Michael Ilgenfritz, Christoph Menz, Michael Müller-Preussker +2
We study the Landau gauge gluon and ghost propagators of SU(3) gauge theory, employing the logarithmic definition for the lattice gluon fields and implementing the corresponding fo…
Two-point functions of quenched lattice QCD in Numerical Stochastic Perturbation Theory. (II) The gluon propagator in Landau gauge
F. Di Renzo, E. -M. Ilgenfritz, H. Perlt +2
This is the second of two papers devoted to the perturbative computation of the ghost and gluon propagators in SU(3) Lattice Gauge Theory. Such a computation should enable a compar…
Tuning the strange quark mass in lattice simulations
W. Bietenholz, V. Bornyakov, N. Cundy +13
QCD lattice simulations with 2+1 flavours typically start at rather large up-down and strange quark masses and extrapolate first the strange quark mass to its physical value and th…