116 citations · 809 across the 55 of their papers we have counts for
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QCD mesonic screening masses and restoration of chiral symmetry at high T
Davide Laudicina, Mattia Dalla Brida, Leonardo Giusti +2
We present a strategy to study QCD non-perturbatively on the lattice at very high temperatures. This strategy exploits a non-perturbative, finite-volume, definition of the strong c…
Thermal QCD for non-perturbative renormalization of composite operators
Matteo Bresciani, Mattia Dalla Brida, Leonardo Giusti +1
We present our progresses in the use of the non-perturbative renormalization framework based on considering QCD at finite temperature with shifted and twisted (for quarks only) bou…
QCD mesonic screening masses up to high temperatures
Mattia Dalla Brida, Leonardo Giusti, Tim Harris +2
We discuss a strategy to study non-perturbatively QCD up to very high temperatures by Monte Carlo simulations on the lattice. It allows not only the thermodynamic properties of the…
Non-perturbative renormalization of the QCD flavour-singlet local vector current
Matteo Bresciani, Mattia Dalla Brida, Leonardo Giusti +2
We compute non-perturbatively the renormalization constant of the flavour-singlet local vector current in lattice QCD with 3 massless flavours. Gluons are discretized by the…
Computation of QCD meson screening masses at high temperature
Davide Laudicina, Mattia Dalla Brida, Leonardo Giusti +2
We compute flavor non-singlet meson screening masses in the chiral limit of QCD with quarks. The calculation is carried out at 12 temperatures from GeV up to t…
Multi-level computation of the hadronic vacuum polarization contribution to
Leonardo Giusti, Mattia Dalla Brida, Tim Harris +1
The first results from the Fermilab E989 experiment have confirmed the long-standing tension between the experimental determination of the muon anomalous magnetic moment $a_μ=(g_μ-…
Non-perturbative thermal QCD at all temperatures: the case of mesonic screening masses
Mattia Dalla Brida, Leonardo Giusti, Tim Harris +2
We present a strategy based on the step-scaling technique to study non-perturbatively thermal QCD up to very high temperatures. As a first concrete application, we compute the flav…
A novel computational paradigm for a precise determination of the hadronic contribution to from lattice QCD
Leonardo Giusti, Mattia Dalla Brida, Tim Harris +1
The hadronic contribution to the muon anomalous magnetic moment has to be determined at the per-mille level for the Standard Model prediction to match the expected…
Multi-level Monte Carlo computation of the hadronic vacuum polarization contribution to
Mattia Dalla Brida, Leonardo Giusti, Tim Harris +1
The hadronic contribution to the muon anomalous magnetic moment has to be determined at the per-mille level for the Standard Model prediction to match the expected…
Non-perturbative definition of the QCD energy-momentum tensor on the lattice
Mattia Dalla Brida, Leonardo Giusti, Michele Pepe
We present a strategy to define non-perturbatively the energy-momentum tensor in Quantum Chromodynamics (QCD) which satisfies the appropriate Ward identities and has the right trac…
The energy-momentum tensor in lattice QCD and the Equation of State
Mattia Dalla Brida, Leonardo Giusti, Michele Pepe
We present a new theoretical and practical strategy to renormalize non-perturbatively the energy-momentum tensor in lattice QCD based on the framework of shifted boundary condition…
Towards a precise determination of the equation of state of QCD at high-temperature
Mattia Dalla Brida, Leonardo Giusti, Michele Pepe
We present preliminary results towards a fully non-perturbative determination of the equation of state of QCD at very high-temperatures, . The key ingredi…
QCD in a moving frame: an exploratory study
Mattia Dalla Brida, Leonardo Giusti, Michele Pepe
The framework of shifted boundary conditions has proven to be a very powerful tool for the non-perturbative investigation of thermal quantum field theories. For instance, it has be…
Thermodynamics of strongly interacting plasma with high accuracy
Leonardo Giusti, Michele Pepe
The equation of state of Yang-Mills theory is investigated in the framework of a moving reference frame. Results for the entropy density, the pressure, the energy density,…
Equation of state of the SU() Yang-Mills theory: a precise determination from a moving frame
Leonardo Giusti, Michele Pepe
The equation of state of the SU() Yang-Mills theory is determined in the deconfined phase with a precision of about 0.5%. The calculation is carried out by numerical simulations…
A novel computation of the thermodynamics of the SU(3) Yang-Mills theory
Leonardo Giusti, Michele Pepe
We present an accurate computation of the Equation of State of the SU(3) Yang-Mills theory using shifted boundary conditions in the temporal direction. In this framework, the entro…
Energy-momentum tensor on the lattice: non-perturbative renormalization in Yang--Mills theory
Leonardo Giusti, Michele Pepe
We construct an energy-momentum tensor on the lattice which satisfies the appropriate Ward Identities (WIs) and has the right trace anomaly in the continuum limit. It is defined by…
Non-perturbative renormalization of the energy-momentum tensor in SU(3) Yang-Mills theory
Leonardo Giusti, Michele Pepe
We present a strategy for a non-perturbative determination of the finite renormalization constants of the energy-momentum tensor in the SU(3) Yang-Mills theory. The computation is…
Equation of state of a relativistic theory from a moving frame
Leonardo Giusti, Michele Pepe
We propose a new strategy for determining the equation of state of a relativistic thermal quantum field theory by considering it in a moving reference system. In this frame an obse…
Measuring the entropy from shifted boundary conditions
Leonardo Giusti, Michele Pepe
We explore a new computational strategy for determining the equation of state of the SU(3) Yang-Mills theory. By imposing shifted boundary conditions, the entropy density is comput…
O(N) Models with Topological Lattice Actions
Wolfgang Bietenholz, Michael Bögli, Urs Gerber +4
A variety of lattice discretisations of continuum actions has been considered, usually requiring the correct classical continuum limit. Here we discuss "weird" lattice formulations…
Topological Lattice Actions for the 2d XY Model
W. Bietenholz, M. Bögli, F. Niedermayer +3
We consider the 2d XY Model with topological lattice actions, which are invariant against small deformations of the field configuration. These actions constrain the angle between n…
Study of theta-Vacua in the 2-d O(3) Model
Michael Bögli, Ferenc Niedermayer, Michele Pepe +1
We investigate the continuum limit of the step scaling function in the 2-d O(3) model with different theta-vacua. Since we find a different continuum value of the step scaling func…
Drastic Reduction of Cutoff Effects in 2-d Lattice O(N) Models
J. Balog, F. Niedermayer, M. Pepe +2
We investigate the cutoff effects in 2-d lattice O(N) models for a variety of lattice actions, and we identify a class of very simple actions for which the lattice artifacts are ex…