Skewness-dependent moments of the pion GPD from nonlocal quark-bilinear correlatorsWe present lattice QCD calculations of the odd Mellin moments of pion valence-quark generalized parton distribution (GPD) up to fifth order, x4, and for the skewness range $[-0.33,…Xiang Gao, Swagato Mukherjee, Qi Shi et al.·Nov 3, 2025SaveLearn
Precision lattice calculation of the hadronic contribution to the running of the electroweak gauge couplingsWe present an update of our lattice QCD determination of the hadronic contribution to the running of the electromagnetic coupling, Δαhad(5)(-Q2), and of the electroweak mixing angle…Alessandro Conigli, Dalibor Djukanovic, Georg von Hippel et al.·Nov 3, 2025SaveLearn
Neural Field Transformations for Hybrid Monte Carlo: Architectural Design and ScalingCritical slowing down, where autocorrelation grows rapidly near the continuum limit due to Hybrid Monte Carlo (HMC) moving through configuration space inefficiently, still challenges lattice gauge…Jinchen He, Xiao-Yong Jin, James C. Osborn et al.·Nov 3, 2025SaveLearn
An effective field theory for thermal QCD with 2+1 flavoursWe write a long-distance effective field theory (EFT) for QCD at finite temperature just below the crossover temperature Tc. The low energy constants (LECs) of this EFT are obtained from lattice…Sourendu Gupta, Pritam Sen, Rishi Sharma·Nov 1, 2025SaveLearn
A Comprehensive Stress Test of Truncated Hilbert Space Bases against Green's function Monte Carlo in U(1) Lattice Gauge TheoryA 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 a finite…Timo Jakobs, Marco Garofalo, Tobias Hartung et al.·Oct 31, 2025SaveLearn
opbasis -- a Python package to derive minimal operator basesFinding a complete and yet minimal on-shell basis of operators of a given mass-dimension that are compatible with a specific set of transformation properties is the first step in any Effective Field…Nikolai Husung·Oct 31, 2025SaveLearn
Scalable quantum computation of Quantum Electrodynamics beyond one spatial dimensionIn the Hamiltonian formulation, Quantum Field Theory calculations scale exponentially with spatial volume, making real-time simulations intractable on classical computers and motivating quantum…Zong-Gang Mou, Bipasha Chakraborty·Oct 31, 2025SaveLearn
Spectrum of the SU(2) scalar-fermion-gauge system under the influence of the Brout-Englert-Higgs effectGauge invariance requires physical states to be composite, even in the weak sector of the Standard Model (SM). The Fröhlich-Morchio-Strocchi (FMS) mechanism resolves this subtlety and predicts…Georg Wieland, Axel Maas·Oct 31, 2025SaveLearn
Lattice Calculation of Light Meson Radiative Leptonic DecaysIn this work, we perform a lattice QCD calculation of the branching ratios and the form factors of radiative leptonic decays P ν γ (P = π, K) using Nf=2+1 domain wall fermion…Peter Boyle, Norman H. Christ, Xu Feng et al.·Oct 30, 2025SaveLearn
Position-space sampling for local multiquark operators in lattice QCD using distillation and the importance of tetraquark operators for Tcc(3875)+Obtaining hadronic two-point functions is a central step in spectroscopy calculations in lattice QCD. This requires solving the Dirac equation repeatedly, which is computationally demanding. The…Andres Stump, Jeremy R. Green·Oct 30, 2025SaveLearn
SU(N) lattice gauge theories with Physics-Informed Neural NetworksWe present an application of Physics-Informed Neural Networks (PINNs) to the study of SU(Nc) lattice gauge theories. Our method enables the learning of eigenfunctions and eigenvalues at…Simone Romiti·Oct 30, 2025SaveLearn
Moments of parton distributions functions of the pion from lattice QCD using gradient flowWe present a nonperturbative determination of the pion valence parton distribution function (PDF) moment ratios xn-1 / x up to n=6, using…Anthony Francis, Patrick Fritzsch, Rohith Karur et al.·Oct 30, 2025SaveLearn
Generative sampling with physics-informed kernelsWe construct a generative network for Monte-Carlo sampling in lattice field theories and beyond, for which the learning of layerwise propagation is done and optimised independently on each layer. The…Friederike Ihssen, Renzo Kapust, Jan M. Pawlowski·Oct 30, 2025SaveLearn
Finite density QCD phase structure from strangeness fluctuationsCharting the phase diagram of Quantum Chromodynamics (QCD) at large density is a challenging task due to the complex action problem in lattice simulations. Through simulations at imaginary baryon…Szabolcs Borsányi, Zoltán Fodor, Jana N. Guenther et al.·Oct 30, 2025SaveLearn
Using Exascale Computing to Explain the Delicate Balance of Nuclear Forces in the UniverseThe vast majority of visible matter in our universe comes from protons and neutrons (the nucleons). Nucleon interactions are fundamental to how the universe developed after the Big Bang and govern…M. A. Clark, A. Hanlon, D. Howarth et al.·Oct 30, 2025SaveLearn
Scaling flow-based approaches for topology sampling in SU(3) gauge theoryWe develop a methodology based on out-of-equilibrium simulations to mitigate topological freezing when approaching the continuum limit of lattice gauge theories. We reduce the autocorrelation of the…Claudio Bonanno, Andrea Bulgarelli, Elia Cellini et al.·Oct 29, 2025SaveLearn
Universal Features of Chiral Symmetry Breaking in Large-N QCDWe investigate the universal features of chiral symmetry breaking in large-N QCD by comparing non-perturbative determinations of the low-lying Dirac spectrum with chiral Random Matrix Theory (RMT)…Claudio Bonanno, Margarita García Pérez, Antonio González-Arroyo et al.·Oct 29, 2025SaveLearn
Isotensor πππ scattering with a ρ resonant subsystem from QCDThis work presents a lattice quantum chromodynamics (QCD) determination of πππ scattering amplitudes for the isospin-2 channel with angular momentum and parity JP = 1+. The calculation is…Raúl A. Briceño, Maxwell T. Hansen, Andrew W. Jackura et al.·Oct 28, 2025SaveLearn
One-quark state near a boundary of the confinement phase of QCDWe discuss a one-quark state in the confinement phase near a reflective chromometallic boundary both at finite and zero temperature. Using numerical simulations of lattice Yang-Mills theory, we show…Maxim N. Chernodub, Vladimir A. Goy, Alexander V. Molochkov et al.·Oct 28, 2025SaveLearn
A Euclidean Monte-Carlo-informed route to ground-state preparation for quantum simulation of scalar field theoryQuantum simulators hold great promise for studying real-time (Minkowski) dynamics of quantum field theories. Nonetheless, preparing non-trivial initial states remains a major obstacle. Euclidean-time…Navya Gupta, Christopher David White, Zohreh Davoudi·Oct 28, 2025SaveLearn
Low-lying baryon resonances from lattice QCDCalculating the properties of baryon resonances from quantum chromodynamics requires evaluating the temporal correlations between hadronic operators using integrations over field configurations…Colin Morningstar·Oct 28, 2025SaveLearn
Dirac spectrum in the chirally symmetric phase of a gauge theory. III discuss the consequences of the constraints imposed on the Dirac spectrum by the restoration of chiral symmetry in the chiral limit of gauge theories with two light fermion flavors, with particular…Matteo Giordano·Oct 28, 2025SaveLearn
Dirac spectrum in the chirally symmetric phase of a gauge theory. II study the consequences of chiral symmetry restoration for the Dirac spectrum in finite-temperature gauge theories in the two-flavor chiral limit, using Ginsparg--Wilson fermions on the lattice. I…Matteo Giordano·Oct 28, 2025SaveLearn
Generalized Parton Distributions from Lattice QCD with Asymmetric Momentum Transfer: Unpolarized Quarks at Nonzero SkewnessWe extend the formalism of asymmetric frames of reference for generalized parton distributions (GPDs) to the case of nonzero skewness, i.e., including longitudinal momentum transfer. The framework,…Min-Huan Chu, Manuel Colaço, Shohini Bhattacharya et al.·Oct 28, 2025SaveLearn
Composite objects in quantum (super)gravityIt has been a long entertained idea that self-bound gravitons, so-called geons, could be a dark matter candidate or form (primordial) black holes. The development of viable candidates for quantum…Axel Maas, Simon Plätzer, Felix Pressler·Oct 24, 2025SaveLearn