Three-body study of the Tcc(3875)+ from lattice QCDWe discuss an ongoing first lattice study of the doubly-charmed tetraquark Tcc+(3875) via a three-body approach. We investigate the DDπ system in the I=0, C=2 sector, where the…Herzallah Alharazin, André Baião Raposo, John Bulava et al.·Feb 19, 2026SaveLearn
Evidence of current-enhanced excited states in lattice QCD three-point functionsExcited-state contamination remains one of the leading sources of systematic uncertainty in the precise determination of hadron structure observables from lattice QCD. In this work, I present a…Lorenzo Barca·Feb 19, 2026SaveLearn
Recent results on the → p semileptonic decayWe present a lattice-QCD determination of the p vector and axial-vector form factors, providing theoretical input for studies of the semileptonic decay $ …Simone Bacchio, Andreas Konstantinou·Feb 18, 2026SaveLearn
Accelerating iterative linear equation solver using modified domain-wall fermion matrix in lattice QCD simulationsLattice simulations of Quantum Chromodynamics (QCD) enable one to calculate the low-energy properties of the strong interaction among quarks and gluons based on the first principle. The most…Wei-Lun Chen, Issaku Kanamori, Hideo Matsufuru et al.·Feb 16, 2026SaveLearn
Mixed precision solvers with half-precision floating point numbers for Lattice QCD on A64FX processorWe investigate the use of half-precision floating-point numbers (FP16) in mixed-precision linear solvers for lattice QCD simulations. Since the emergence of GPUs for general-purpose, mixed-precision…Issaku Kanamori, Hideo Matsufuru, Tatsumi Aoyama et al.·Feb 16, 2026SaveLearn
Accessing the Gluon Momentum Fraction of Nucleons through the Gradient FlowWe calculate the gluon momentum fraction of the nucleon using lattice quantum chromodynamics (QCD), with a nonperturbative renormalization technique based on the gradient flow. The gluon momentum…Robert Edwards, Joe Karpie, Lorenzo Maio et al.·Feb 15, 2026SaveLearn
Study of multi-particle states with tensor renormalization group methodWe investigate the multi-particle states of the (1+1)-dimensional Ising model using a spectroscopy scheme based on the tensor renormalization group method. We start by computing the finite-volume…Fathiyya Izzatun Az-zahra, Shinji Takeda, Takeshi Yamazaki·Feb 12, 2026SaveLearn
Nucleon Parton Distribution Functions from Boosted Correlations in the Coulomb gaugeRecently, a novel approach has been proposed to compute parton distributions through the use of boosted correlators fixed in the Coulomb gauge from lattice QCD, within the framework of Large-Momentum…Xiang Gao, Jinchen He, Joshua Lin et al.·Feb 11, 2026SaveLearn
Moment Problems and Spectral FunctionsNevanlinna-Pick interpolation and moment problems use the analytic structures provided by causality in order to provide rigorous bounds on smeared spectral functions. This proceedings discusses…Ryan Abbott, William Jay, Patrick Oare·Feb 11, 2026SaveLearn
Simplicity of confinement in SU(3) Yang-Mills theoryWe introduce a novel observable associated to Abelian monopole currents defined in the Maximal Abelian Projection of SU(3) Yang-Mills theory that captures the topology of the current loop. This…Xavier Crean, Jeffrey Giansiracusa, Biagio Lucini·Feb 10, 2026SaveLearn
DD interactions are weak near threshold in QCDWe study near-threshold DD scattering in S and D-wave to determine whether or not resonances or bound states are present. Working in the approximation where charm-annihilation is…David J. Wilson, Jozef J. Dudek, Robert G. Edwards et al.·Feb 10, 2026SaveLearn
Colour confinement and gauge-invariant field-strength correlationsIn this paper we produce evidence that confinement of colour is due to dual superconductivity of QCD vacuum. To do that we put together results of old numerical simulations and results of more…Adriano Di Giacomo·Feb 10, 2026SaveLearn
Quantum Simulation of Bound and Resonant Doubly-Bottom TetraquarkWe present the first quantum-simulation study of bound and resonant doubly-bottom tetraquark states within a QCD-inspired chiral quark model. An effective four-quark Hamiltonian is mapped onto a…Ayanendu Dutta·Feb 5, 2026SaveLearn
Probing Instanton Dynamics in the Pion Vector Form Factor with Wilson FlowInstanton liquid model is believed to capture the main features of vacuum QCD dynamics. Recently, multiple predictions for hadron structure functions have been derived and compared with experimental…Vaibhav Chahar, Piotr Korcyl·Feb 4, 2026SaveLearn
Wilson loops with neural networksWilson loops are essential objects in QCD and have been pivotal in scale setting and demonstrating confinement. Various generalizations are crucial for computations needed in effective field…Verena Bellscheidt, Nora Brambilla, Andreas S. Kronfeld et al.·Feb 2, 2026SaveLearn
Large Nc Truncations for SU(Nc) Lattice Yang-Mills Theory with FermionsQuantum simulations of quantum chromodynamics (QCD) require a representation of gauge fields and fermions on the finitely many degrees of freedom available on a quantum computer. We introduce a…Neel S. Modi, Anthony N. Ciavarella, Jad C. Halimeh et al.·Feb 2, 2026SaveLearn
Excited-state uncertainties in lattice-QCD calculations of hadron masses and scattering phase shiftsLattice QCD has historically produced energy results interpretable as either estimates relying on implicit assumptions about asymptotic behavior or one-sided upper bounds. New Lanczos methods…William Detmold, Anthony V. Grebe, Daniel C. Hackett et al.·Jan 29, 2026SaveLearn
Excited-state uncertainties in lattice-QCD calculations of multi-hadron systemsExcited-state effects lead to hard-to-quantify systematic uncertainties in lattice quantum chromodynamics (LQCD) spectroscopy calculations when computationally accessible imaginary times are smaller…William Detmold, Anthony V. Grebe, Daniel C. Hackett et al.·Jan 29, 2026SaveLearn
U(1)A symmetry restoration at finite temperature with mesonic correlatorsThe U(1)A symmetry of the massless QCD Lagrangian is explicitly broken in the quantised theory by the anomaly. It may be effectively restored at some finite temperature, which would have important…Ryan Bignell, Gert Aarts, Chris Allton et al.·Jan 29, 2026SaveLearn
A scalable flow-based approach to mitigate topological freezingAs lattice gauge theories with non-trivial topological features are driven towards the continuum limit, standard Markov Chain Monte Carlo simulations suffer for topological freezing, i.e., a dramatic…Claudio Bonanno, Andrea Bulgarelli, Elia Cellini et al.·Jan 28, 2026SaveLearn
Thermodynamic Consistency as a Reliability Test for Complex Langevin SimulationsThe complex Langevin method (CLM) is a promising tool to address the sign problem in quantum field theories with complex actions. However, it can converge to incorrect results even when simulations…Anosh Joseph, Arpith Kumar·Jan 28, 2026SaveLearn
Direct numerical simulation of the 't Hooft partition function and (de)confining phasesThe 't Hooft partition function ZtH[Ei;Bij] is a discrete Fourier transform of Yang--Mills partition functions in background ZN 2-form gauge fields and encodes…Okuto Morikawa, Hiroshi Suzuki·Jan 28, 2026SaveLearn
Resurrecting the coherent state variational algorithm for large N gauge theoriesThe feasibility of studying, numerically, properties of infinite volume QCD-like theories in the large N limit using coherent state variational methods is reassessed. An entirely new implementation…Laurence G. Yaffe·Jan 28, 2026SaveLearn
Generalizable Equivariant Diffusion Models for Non-Abelian Lattice Gauge TheoryWe demonstrate that gauge equivariant diffusion models can accurately model the physics of non-Abelian lattice gauge theory using the Metropolis-adjusted annealed Langevin algorithm (MAALA), as…Gert Aarts, Diaa E. Habibi, Andreas Ipp et al.·Jan 27, 2026SaveLearn
Configurational Thermometer for Lattice Gauge TheoriesWe propose a diagnostic tool, a temperature estimator, for lattice gauge theory simulations. The estimator is obtained from the gradient and the Hessian of the Euclidean lattice action. It is gauge…Vamika Longia, Navdeep Singh Dhindsa, Anosh Joseph·Jan 24, 2026SaveLearn