22 citations · 41 across the 14 of their papers we have counts for
17 papers
An update on the HVP contribution to in isoQCD from ETMC
Simone Bacchio, Alessandro De Santis, Antonio Evangelista +7
We present an update on the determination of the leading-order hadronic vacuum polarisation contribution to the muon anomalous magnetic moment in isospin-symmetric QCD by the Exten…
lattice gauge theories with Physics-Informed Neural Networks
Simone Romiti
We present an application of Physics-Informed Neural Networks (PINNs) to the study of lattice gauge theories. Our method enables the learning of eigenfunctions a…
A Comprehensive Stress Test of Truncated Hilbert Space Bases against Green's function Monte Carlo in U(1) Lattice Gauge Theory
Timo Jakobs, Marco Garofalo, Tobias Hartung +5
A representation of Lattice Gauge Theories (LGT) suitable for simulations with tensor network state methods or with quantum computers requires a truncation of the Hilbert space to…
Dynamics in Hamiltonian Lattice Gauge Theory: Approaching the Continuum Limit with Partitionings of SU
Timo Jakobs, Marco Garofalo, Tobias Hartung +4
In this paper, we investigate a digitised SU lattice gauge theory in the Hamiltonian formalism. We use partitionings to digitise the gauge degrees of freedom and show how to d…
Valence leading isospin breaking contributions to
Simone Bacchio, Antonio Evangelista, Roberto Frezzotti +6
By employing the RM123 approach to QCD+QED, we computed the valence quark-connected isospin-breaking corrections to the light, strange and charm contributions at leading order in $…
Hadronic light-by-light contribution to the muon using twisted-mass fermions
Nikolaos Kalntis, Gurtej Kanwar, Marcus Petschlies +2
We report on our preliminary results from the lattice-QCD computation of the hadronic light-by-light (HLbL) contribution to the anomalous magnetic moment of the muon. We use twiste…
Strange and charm quark contributions to the muon anomalous magnetic moment in lattice QCD with twisted-mass fermions
C. Alexandrou, S. Bacchio, A. De Santis +15
We present a lattice calculation of the Hadronic Vacuum Polarization (HVP) contribution of the strange and charm quarks to the anomalous magnetic moment of the muon in isospin symm…
Towards determining the (2+1)-dimensional Quantum Electrodynamics running coupling with Monte Carlo and quantum computing methods
Arianna Crippa, Simone Romiti, Lena Funcke +4
In this paper, we examine a compact lattice gauge theory in dimensions and present a strategy for studying the running coupling and extracting the non-perturbative $…
Inclusive hadronic decay rate of the lepton from lattice QCD: the flavour channel and the Cabibbo angle
C. Alexandrou, S. Bacchio, A. De Santis +13
We present a lattice determination of the inclusive decay rate of the process in which the lepton decays into a generic hadronic state with $\bar…
Testing the lattice Hamiltonian built from partitionings
Marco Garofalo, Tobias Hartung, Timo Jakobs +5
We test a possible digitization of lattice gauge theories based on partitionings of the sphere . In our construction the link operators are unitary and diagon…
Digitizing lattice gauge theories in the magnetic basis: reducing the breaking of the fundamental commutation relations
Simone Romiti, Carsten Urbach
We present a digitization scheme for the lattice gauge theory Hamiltonian in the , where the gauge links are unitary and diagon…
Canonical Momenta in Digitized SU(2) Lattice Gauge Theory: Definition and Free Theory
Timo Jakobs, Marco Garofalo, Tobias Hartung +5
Hamiltonian simulations of quantum systems require a finite-dimensional representation of the operators acting on the Hilbert space H. Here we give a prescription for gauge links a…
Hamiltonian limit of lattice QED in 2+1 dimensions
L. Funcke, C. F. Groß, K. Jansen +3
The Hamiltonian limit of lattice gauge theories can be found by extrapolating the results of anisotropic lattice computations, i.e., computations using lattice actions with differe…
Twisted mass ensemble generation on GPU machines
Bartosz Kostrzewa, Simone Bacchio, Jacob Finkenrath +4
We present how we ported the Hybrid Monte Carlo implementation in the tmLQCD software suite to GPUs through offloading its most expensive parts to the QUDA library. We discuss our…
Defining Canonical Momenta for Discretised SU(2) Gauge Fields
Marco Garofalo, Tobias Hartung, Karl Jansen +3
In this proceeding contribution we discuss how to define canonical momenta for SU(N) lattice gauge theories in the Hamiltonian formalism in a basis where the gauge field operators…
Leading Isospin Breaking effects in nucleon and masses
Simone Romiti
We present a lattice calculation of the leading corrections to the masses of nucleons and resonances. These are obtained in QCD+QED at st order in the Isospin Breaking param…
The neutron-proton mass difference
Simone Romiti
We present a lattice calculation of the mass difference between neutron and proton, for which we find . This is obtained at 1st order in the $Q…