Multilevel Plaquette-Space Sampling for Lattice Gauge Theories with Local Constraint SolvesLattice gauge theories are an important class of physical models with high-dimensional structured distributions that underpin first-principles calculations in particle, nuclear, and condensed-matter…Ankur Singha, Jacob Finkenrath, Karl Jansen et al.·Sep 28, 2026SaveLearn
The Peskin-Takeuchi S parameter and vector meson decay constants in Nf=8 QCDWe use lattice gauge theory to investigate the Peskin-Takeuchi S parameter in SU(3) gauge theory with eight light fundamental fermions (eight-flavor QCD), a candidate for walking technicolor. We…Yasumichi Aoki, Tatsumi Aoyama, Ed Bennett et al.·Sep 28, 2026SaveLearn
Measuring Mass Splittings in Baryon SU(2) MultipletsThe inclusion of isospin-breaking corrections arising from electromagnetic interactions and the up-down quark mass difference is becoming increasingly important in lattice QCD calculations, as the…Constantia Alexandrou, Simone Bacchio, Antonio Evangelista et al.·Sep 28, 2026SaveLearn
LaMET-Agent: An Agent Framework for Large-Momentum Effective Theory AnalysisLarge-momentum effective theory (LaMET) provides a first-principles framework for computing the x dependence of light-cone parton distributions from lattice QCD. Over the past decade, theoretical…Jinchen He, Xiangyu Jiang, Fei Yao et al.·Sep 26, 2026SaveLearn
Counterdiabatic quantum optimization for efficient state preparation in the Schwinger modelThe Quantum Approximate Optimization Algorithm (QAOA), whose design is underpinned by the adiabatic theorem, is one of the leading variational quantum algorithms for preparing the ground states of…Ethan Laval, Bipasha Chakraborty, Stefano Cipolla·Sep 25, 2026SaveLearn
Accurate Sampling from Diffusion ModelsA new proposal called DM-SMC (Diffusion Model - Sequential Monte Carlo) is investigated, which samples ensembles defined in terms of an action, using diffusion models trained on samples from the…Dénes Sexty·Sep 24, 2026SaveLearn
Sign of Wilson-Fermion Determinant using Contour-Integral Spectral ProjectionKey properties of a large sparse operator can often be determined by only a small, spectrally localized subset of its eigenmodes. In lattice QCD with Wilson fermions, the sign of the fermion…Bhabani Sankar Tripathy, M. Padmanath·Sep 23, 2026SaveLearn
Larger physical volume and bounds on the number of matter fields in noncompact gauge theories on a latticeThe work was motivated by the numerical result that in a pure SU(2) gauge theory the ratio R of the effective non-compact and compact lattice spacing is larger than 1 and increasing with decreasing…Fabrizio Palumbo·Sep 23, 2026SaveLearn
A variational framework for variance reduction in lattice field theoryThe signal-to-noise problem limits the reach of many lattice calculations. We present a variational framework that recasts it as a transport problem: the loss of signal reflects a mismatch between…Pietro Butti, Guilherme Catumba, Alessandro Nada et al.·Sep 23, 2026SaveLearn
Experiment lattice QCD: understanding high-temperature QCD matterRelativistic heavy-ion collisions provide a unique experimental opportunity to study strongly interacting matter at extreme temperature and density, while lattice quantum chromodynamics (QCD) offers…Bedangadas Mohanty·Sep 21, 2026SaveLearn
Flowed quark field renormalization in lattice QCD: A Ward-identity approach and its validation using quark bilinearsWe present a non-perturbative Ward-identity prescription for determining the flowed quark field renormalization factor Zχ, avoiding the computational difficulties of the conventional ringed…Mei-Qi Gao, Long-cheng Gui, Jun Hua et al.·Sep 20, 2026SaveLearn
Gradient Flow for the Jet Transport Coefficient: A Quenched Lattice BenchmarkWe apply the gradient-flow framework to determine the nonperturbative medium contribution to the jet transport coefficient q using quenched lattice QCD in the temperature range $0.76Tc ≤ T…Hai-Tao Shu, Cheng Zhang·Sep 19, 2026SaveLearn
First-Principles Determination of the QCD Contribution to the Axion-Photon Coupling Using Domain-Wall FermionsThe axion-photon coupling, crucial for experimental axion searches and tests of the strong CP solution, receives a substantial model-independent contribution C QCD from QCD dynamics.…Tian Lin, Hao-Yang Cheng, Xu Feng et al.·Sep 19, 2026SaveLearn
Computability of GPDs near x=ξ in Lattice QCDIn lattice QCD computations of generalized parton distributions (GPDs), the large momentum expansion generally requires all hard scales, 2|xξ|Pz and 2|1 x|Pz, to be much larger than…Yushan Su, Xiangdong Ji, Yizhuang Liu et al.·Sep 17, 2026SaveLearn
Numerical Investigations of Phase Transitions in Lattice Field TheoriesThe study of phase transitions plays an important role in understanding qualitative changes in the behaviour of physical systems at criticality. Despite decades of progress, there is still a strong…Vamika Longia·Sep 17, 2026SaveLearn
Symplectic lattice gauge theories in the Grid framework: domain wall fermions and continuum extrapolationsWe report the results of the first numerical lattice study using domain-wall fermions in the Sp(4) gauge theory coupled to two flavours of (Dirac) fermions, transforming in the fundamental…Ed Bennett, Peter A. Boyle, Luigi Del Debbio et al.·Sep 17, 2026SaveLearn
The soft-gluon limit of the Landau gauge ghost-gluon vertex: results for pure Yang-Mills SU(3) theory from lattice simulationsThis work reports on the computation of the ghost-gluon vertex for the pure Yang-Mills SU(3) gauge group, using lattice simulations and the Landau gauge. The simulations access only one of the form…Nuno Brito, Orlando Oliveira, Paulo J. Silva·Sep 16, 2026SaveLearn
Testing strong isospin breaking effects in QCD thermodynamicsMost modern lattice QCD calculations take the masses of the light quarks to be degenerate, setting mu=md, a choice that, while not physical, increases computational efficiency and lowers the…D. A. Clarke, B. B. Brandt·Sep 15, 2026SaveLearn
A Vector-Vector-Axial Anomaly in 4DBecause it offers exactly-integer topological quantities, the modified Villain discretization offers a route to correct anomaly structure at finite lattice spacing. I will present a 4-dimensional…Evan Berkowitz, Shi Chen, Aleksey Cherman·Sep 15, 2026SaveLearn
Continuous Hasenbusch transport towards gauge diffusion with fermionsIncorporating dynamical fermions is a central challenge for diffusion samplers of lattice gauge theories. We propose an analytic pseudofermion sampler based on continuous Hasenbusch transport as a…Akio Tomiya·Sep 14, 2026SaveLearn
Renormalized Polyakov loop in accelerated gluodynamicsIn this paper we investigate accelerated gluodynamics for a broad intervals of temperature and acceleration. Our study is carried out within lattice simulation in the co-moving reference frame…Victor V. Braguta, Vladimir A. Goy, Jayanta Dey et al.·Sep 14, 2026SaveLearn
Fermionic quantum field theories as probabilistic cellular automata in three dimensionsWetterich showed that certain 1+1D probabilistic cellular automata are equivalent to fermionic QFTs and posed the 3D construction as an open problem. We construct one: a layered automaton…Piotr Stanisław Topa·Sep 13, 2026SaveLearn
Thermal modifications of the B-meson spectrumA first-principles investigation of heavy-light meson behaviour in hot QCD matter is essential for the interpretation of experimental results associated with open heavy flavour productions in…Rachel Horohan D'Arcy, Benjamin Jäger, Seyong Kim et al.·Sep 13, 2026SaveLearn
Properties of the positive and negative parity charm-strange and bottom-strange mesons Ds, Ds*, Ds0*, Ds1, Bs, Bs*, Bs0*, Bs1 from lattice QCD: masses, decay constants, and compositenessWe present a lattice-QCD determination of properties of the lightest scalar, pseudoscalar, vector, and axial-vector heavy-strange mesons. This includes the decay constants of all mesons, and the…Forrest Guyton, Stefan Meinel·Sep 10, 2026SaveLearn
Gauge field digitization in the Hamiltonian limitQuantum computers can circumvent the numerical sign problem in gauge theories at finite density or in real time. Quantum simulations of gauge theories require a finite-dimensional representation of…Attila Pasztor, David Pesznyak·Sep 7, 2026SaveLearn