137 citations · 1.2k across the 46 of their papers we have counts for
19 papers · 1 filter
Three-gluon vertex in Landau-gauge from quenched-lattice QCD in general kinematics
F. Pinto-Gomez, F. de Soto
We report on a novel and extensive lattice QCD analysis for the three-gluon vertex from quenched lattice-QCD simulations. Using standard Wilson action, we have computed the three-g…
Restoring rotational invariance for lattice QCD propagators
F. de Soto
This note presents a method to reduce the discretization errors appearing when solving a Quantum Field Theory in a hypercubic lattice in both position and momentum-space. The metho…
Instanton liquid properties from lattice QCD
A. Athenodorou, Ph. Boucaud, F. De Soto +2
We examined the instanton contribution to the QCD configurations generated from lattice QCD for , and dynamical quark flavors from two different and co…
Comment on "Lattice Gluon and Ghost Propagators, and the Strong Coupling in Pure Yang-Mills Theory: Finite Lattice Spacing and Volume Effects"
Ph. Boucaud, F. De Soto, J. Rodríguez-Quintero +1
The authors of ref. Phys.Rev. D94 (2016) no.1, 014502 reported about a careful analysis of the impact of lattice artifacts on the gauge-field propagators. In particular, th…
Refining the detection of the zero crossing for the symmetric and asymmetric three-gluon vertices
Ph. Boucaud, F. De Soto, J. Rodríguez-Quintero +1
This article reports on the detailed study of the three-gluon vertex in four-dimensional Yang-Mills theory employing lattice simulations with large physical volumes and hig…
A novel method for the physical scale setting on the lattice and its application to =4 simulations
B. Blossier, Ph. Boucaud, M. Brinet +5
This letter reports on a new procedure for the lattice spacing setting that takes advantage of the very precise determination of the strong coupling in Taylor scheme. Although it c…
Lattice measurement of α_s with a realistic charm quark
B. Blossier, Ph. Boucaud, M. Brinet +6
We report on an estimate of α_s, renormalised in the MSbar scheme at the tau and Z^0 mass scales, by means of lattice QCD. Our major improvement compared to previous lattice calcul…
About the Yukawa model on a lattice in the quenched approximation
F. de Soto, Jean-Christian Anglès d'Auriac
We study the Yukawa model on a 4-dimensional Euclidean lattice in the quenched approximation. A particular attention is given to the singularities of the Dirac operator in the phas…
Ghost-gluon coupling, power corrections and from lattice QCD with a dynamical charm
B. Blossier, Ph. Boucaud, M. Brinet +7
This paper is a first report on the determination of $Λ_{\msbar}$ from lattice simulations with 2+1+1 twisted-mass dynamical flavours {\it via} the computation of the ghost-gluon c…
The Nuclear Yukawa Model on a Lattice
F. de Soto, J. C. Angles d'Auriac, J. Carbonell
We present the results of the quantum field theory approach to nuclear Yukawa model obtained by standard lattice techniques. We have considered the simplest case of two identical f…
Vacuum expectation value of A^2 from LQCD
O. Pène, B. Blossier, Ph. Boucaud +10
We argue from LQCD that there is a non vanishing v.e.v of in QCD in the Landau gauge. We use operator product expansion to provide a clear definition of a…
from Lattice QCD: progresses and perspectives for a realistic full-QCD determination of the running Strong coupling
B. Blossier, Ph. Boucaud, F. De soto +4
Some very recent computations of from lattice simulations and of the running of the Strong coupling, obtained from the lattice ghost-gluon vertex,…
Ghost-gluon coupling, power corrections and from twisted-mass lattice QCD at Nf=2
B. Blossier, Ph. Boucaud, F. De soto +4
We present results concerning the non-perturbative evaluation of the ghost-gluon running QCD coupling constant from twisted-mass lattice calculations. A novel method for ca…
from gluon and ghost propagators
F. De soto, M. Gravina, O. Pène +1
Fundamental quantities of QCD, such as the strong coupling and , are studied in the framework of lattice QCD with twisted mass fermions. In particular, the contact…
Two body scattering length of Yukawa model on a lattice
F. De Soto, J. Carbonell, C. Roiesnel +3
The extraction of scattering parameters from Euclidean simulations of a Yukawa model in a finite volume with periodic boundary conditions is analyzed both in non relativistic quant…
Yukawa model on a lattice: two body states
F. De Soto, J. Carbonell, C. Roiesnel +3
We present first results of the solutions of the Yukawa model as a Quantum Field Theory (QFT) solved non perturbatively with the help of lattice calculations. In particular we will…
Nuclear models on a lattice
F. De Soto, J. Carbonell, C. Roiesnel +3
We present the first results of a quantum field approach to nuclear models obtained by lattice techniques. Renormalization effects for fermion mass and coupling constant in case of…
Artefacts and <A2> power corrections : revisiting the MOM Z_psi and Z_V
Ph. Boucaud, F. de Soto, J. P. Leroy +5
We extract the power corrections due to the A^2 condensate in the overlap quark propagator (vector part of the inverse propagator Z_psi). The results are consistent with the previo…
Quark propagator and vertex: systematic corrections of hypercubic artifacts from lattice simulations
Ph. Boucaud, F. de Soto, J. P. Leroy +5
This is the first part of a study of the quark propagator and the vertex function of the vector current on the lattice in the Landau gauge and using both Wilson-clover and overlap…