I=32 π K s-wave scattering length from lattice QCDThe I=32 π K s-wave scattering phase shift is computed by lattice quantum chromodynamics with Nf=3 flavors of Asqtad-improved staggered fermions. The energy-eigenvalues of π K…Ziwen Fu, Qu-Zhi Li, Jun Wang·Jan 3, 2026SaveLearn
Symmetric mass generation as a multicritical point with enhanced symmetryWe explore the phase diagram of a lattice fermion model that exhibits three distinct phases: a massless fermion (MF) phase; a massive fermion phase with spontaneous symmetry breaking (SSB) induced by…Sandip Maiti, Debasish Banerjee, Shailesh Chandrasekharan et al.·Dec 31, 2025SaveLearn
Implementing the three-neutron quantization conditionWe describe in detail the implementation of the relativistic three-neutron finite-volume quantization condition derived in Ref. [1]. In particular, we show how the complications due to Wigner…Wilder Schaaf, Stephen R. Sharpe·Dec 30, 2025SaveLearn
Total Gluon Helicity Contribution to the Proton Spin from Lattice QCDWe report a state-of-the-art lattice QCD calculation of the total gluon helicity contribution to the proton spin, G. The calculation is done on ensembles with three different lattice…Dian-Jun Zhao, Long Chen, Hongxin Dong et al.·Dec 30, 2025SaveLearn
Spectral reconstruction based on dimensional reduction in high-temperature gauge theoriesWe propose a numerical spectral reconstruction workflow for high-temperature gauge theories that incorporates elements of semi-classical real-time evolution directly into standard lattice QCD…P. V. Buividovich, B. Hind·Dec 29, 2025SaveLearn
Precisely determining the ground state mass of Spin-3/2 ccc baryon from Lattice QCDWe present the most precise determination to date of the ground-state masses of the triply charmed baryons with both parities, obtained by continuum extrapolation and fully addressing the systematic…Navdeep Singh Dhindsa, Debsubhra Chakraborty, Archana Radhakrishnan et al.·Dec 29, 2025SaveLearn
Minimal-doubling and single-Weyl HamiltoniansWe develop a systematic Hamiltonian formulation of minimally doubled lattice fermions in (3+1) dimensions, derive their nodal structures (structures of zeros), and classify their symmetry patterns…Tatsuhiro Misumi·Dec 27, 2025SaveLearn
Introduction to Lattice Field TheoryThis chapter provides a pedagogical introduction to lattice quantum field theory, with strong emphasis on lattice quantum chromodynamics. The chapter reviews key foundational concepts of lattice…Raúl A. Briceño·Dec 26, 2025SaveLearn
Form factors of the Ds φ semileptonic decay with (2+1)-flavor lattice QCDWe present a systematic lattice calculation of the vector and axial vector form factors V and Ai~(i=0,1,2) for the Ds φ semileptonic decay using (2+1)-flavor…Gaofeng Fan, Yu Meng, Chuan Liu et al.·Dec 25, 2025SaveLearn
HLbL contribution to the muon g-2 using twisted-mass fermions at the physical pointWe present updated results for the hadronic light-by-light (HLbL) contribution to the muon anomalous magnetic moment. The calculations are based on ETMC's Nf=2+1+1 Wilson-clover twisted-mass…N. Kalntis, G. Kanwar, M. Petschlies et al.·Dec 24, 2025SaveLearn
Quantum Ising Model on (2+1)-Dimensional Anti-de Sitter Space using Tensor NetworksWe study the quantum Ising model on (2+1)-dimensional anti-de Sitter space using Matrix Product States (MPS) and Matrix Product Operators (MPOs). We explore the bulk phase diagram of the theory on…Abhishek Samlodia, Simon Catterall, Alexander F. Kemper et al.·Dec 23, 2025SaveLearn
Lattice QCD calculation of charmed baryon decay constants at continuum limit and physical massWe present the first principle calculation of charmed baryon decay constants employing 2+1 flavor gauge ensembles with lattice spacings ranging from 0.05 to 0.1 fm and pion masses between 136 and 310…Lei-Yi Li, Jie Ran, Meng-Chu Cai et al.·Dec 23, 2025SaveLearn
Diagonal Kenney-Laub Rational Approximation to the Overlap Dirac OperatorWe propose a practical formulation of the overlap Dirac operator in lattice QCD that employs the diagonal Kenney-Laub rational iterates - expressed via their partial fraction decomposition - to…Stephan Durr, Stylianos Gregoriou, Giannis Koutsou·Dec 23, 2025SaveLearn
Efficient Learning of Lattice Gauge Theories with FermionsWe introduce a learning method for recovering action parameters in lattice field theories. Our method is based on the minimization of a convex loss function constructed using the Schwinger-Dyson…Shreya Shukla, Yukari Yamauchi, Andrey Y. Lokhov et al.·Dec 22, 2025SaveLearn
Spectral Diffusion for Sampling on SU(N)Although ensemble generation remains a central challenge in lattice field theory simulations, recent advances in generative modeling may offer a path to accelerated sampling in these contexts. In…Gurtej Kanwar, Octavio Vega·Dec 22, 2025SaveLearn
Using the Landau gauge gluon propagator to set the lattice physical scales and understanding the finite size effectsA crucial step in extracting physical predictions from lattice QCD simulations is the scale setting, i.e. the determination of the lattice spacing (a) in physical units. Herein, the relative scale…Orlando Oliveira, Paulo J Silva·Dec 22, 2025SaveLearn
Quark-mass effects in gradient-flow observables through next-to-next-to-leading order in QCDWe provide results for the vacuum expectation values of the flowed action density, the quark condensate, and the quark kinetic operator in the gradient-flow formalism. We work in NF-flavor…Robert V. Harlander, Robert H. Mason·Dec 22, 2025SaveLearn
Higher lattice gauge theory from representations of 2-groups and 3+1D topological phasesWe construct a higher lattice gauge theory based on the representation of 2-groups described by a category of crossed modules on a lattice model described by path 2-groupoids. Using these lattice…Latévi M. Lawson, Prince K. Osei·Dec 22, 2025SaveLearn
Variational Autoregressive Networks Applied to φ4 Field Theory SystemsWe combine reinforcement learning with variational autoregressive networks (VANs) to perform data-free training and sampling for the discrete Ising model and the continuous φ4 scalar field…Moxian Qian, Shiyang Chen·Dec 22, 2025SaveLearn
fK/fπ in iso-symmetric QCD and the CKM matrix unitarityWe present lattice results for fK/fπ in the iso-symmetric limit of pure QCD (isoQCD) with Nf=2+1 flavours, along with a determination of |Vus|/|Vud| and a study on the unitarity of…Alessandro Conigli, Julien Frison, Alejandro Sáez·Dec 22, 2025SaveLearn
Comparison of the mixed-fermion-action Effects using different fermion and gauge actions with 2+1 and 2+1+1 flavorsThe leading-order low-energy constant mix in mixed-action chiral perturbation theory is calculated using 2+1+1-flavor gauge ensembles with HISQ fermions and a tadpole-improved…Zun-Xian Zhang, Mengchu Cai, Bolun Hu et al.·Dec 22, 2025SaveLearn
The chiral phase transition in the 3D Columbia plotThe nature of the chiral phase transition of QCD continues to represent a fundamental open problem in the study of strongly interacting matter. In recent years, significant progress has been achieved…Alessandro Sciarra·Dec 20, 2025SaveLearn
Critical coupling in φ24 theoryWe consider φ4 theory with φ(x)∈R in two Euclidean dimensions. We determine for a variety of self-couplings λ the (negative) critical bare mass…Stephan Durr, Tolga S. H. Kiel·Dec 18, 2025SaveLearn
The fermion sign problem in Gauss law sectors of quantum link models with dynamical matterThe fermion sign problem poses a formidable challenge to the use of Monte Carlo methods for lattice gauge theories with dynamical fermionic matter fields. A meron cluster algorithm recently…Pallabi Dey, Debasish Banerjee, Emilie Huffman·Dec 16, 2025SaveLearn
Complex Langevin simulations with a kernelWe discuss recent developments regarding the use of kernels in complex Langevin simulations. In particular, we outline how a kernel can be used to solve the problem of wrong convergence in a simple…Michael Mandl, Erhard Seiler, Dénes Sexty·Dec 16, 2025SaveLearn