The large limit of QCD on the lattice

P Hernández, F Romero-López - The European Physical Journal A, 2021 - Springer
We review recent progress in the study of the large N_c N c limit of gauge theories from
lattice simulations. The focus is not only the planar limit but also the size of O (N_c^-1) O (N c …

Axion phenomenology and θ-dependence from N f= 2+ 1 lattice QCD

C Bonati, M D'Elia, M Mariti, G Martinelli… - Journal of High Energy …, 2016 - Springer
A bstract We investigate the topological properties of N f= 2+ 1 QCD with physical quark
masses, both at zero and finite temperature. We adopt stout improved staggered fermions …

Confirming the Existence of the strong CP Problem in Lattice QCD with the Gradient Flow

J Dragos, T Luu, A Shindler, J de Vries, A Yousif - Physical Review C, 2021 - APS
We calculate the electric dipole moment of the nucleon induced by the quantum
chromodynamics θ term. We use the gradient flow to define the topological charge and use …

Flavor-diagonal CP violation: the electric dipole moment

A Shindler - The European Physical Journal A, 2021 - Springer
The observed baryon asymmetry in the universe cannot be reconciled with the current form
of the Standard Model (SM) of particle physics. The Standard Model breaks charge …

The twisted gradient flow strong coupling without topological freezing

C Bonanno, JLD Golán, M D'Elia, MG Pérez… - The European Physical …, 2024 - Springer
We investigate the role of topology on the lattice determination of the SU (3) strong coupling
renormalized via gradient flow. To deal with the topological freezing of standard local …

Large-N SU (N) Yang-Mills theories with milder topological freezing

C Bonanno, C Bonati, M D'Elia - Journal of High Energy Physics, 2021 - Springer
A bstract We simulate 4d SU (N) pure-gauge theories at large N using a parallel tempering
scheme that combines simulations with open and periodic boundary conditions …

The θ-dependence of the SU (N) critical temperature at large N

C Bonanno, M D'Elia, L Verzichelli - Journal of High Energy Physics, 2024 - Springer
A bstract We investigate, by means of numerical lattice simulations, the θ-dependence of the
critical deconfinement temperature of SU (N) gauge theories at large N: T c (θ)= T c (0)[1–Rθ …

Equation of state for SU (3) gauge theory via the energy-momentum tensor under gradient flow

M Kitazawa, T Iritani, M Asakawa, T Hatsuda, H Suzuki - Physical Review D, 2016 - APS
The energy density and the pressure of SU (3) gauge theory at finite temperature are studied
by direct lattice measurements of the renormalized energy-momentum tensor obtained by …

Slow running of the gradient flow coupling from 200 MeV to 4 GeV in QCD

M Dalla Brida, P Fritzsch, T Korzec, A Ramos, S Sint… - Physical Review D, 2017 - APS
Using a finite volume gradient flow renormalization scheme with Schrödinger Functional
boundary conditions, we compute the nonperturbative running coupling in the range 2.2≲ …

Topology in full QCD at high temperature: a multicanonical approach

C Bonati, M D'Elia, G Martinelli, F Negro… - Journal of High Energy …, 2018 - Springer
A bstract We investigate the topological properties of N f= 2+ 1 QCD with physical quark
masses, at temperatures around 500 MeV. With the aim of obtaining a reliable sampling of …