Configurational Temperature as a Diagnostic for Complex Langevin Dynamics in the 3D XY ModelWe investigate the applicability of complex Langevin dynamics to the three-dimensional XY model at finite chemical potential. To assess correctness, we introduce a new diagnostic based on the…Anosh Joseph, Arpith Kumar·Sep 16, 2025SaveLearn
Accurate ground states of SU(2) lattice gauge theory in 2+1D and 3+1DWe present a neural network wavefunction framework for solving non-Abelian lattice gauge theories in a continuous group representation. Using a combination of SU(2) equivariant neural networks…Thomas Spriggs, Eliska Greplova, Juan Carrasquilla et al.·Sep 15, 2025SaveLearn
The phase transitions of the frustrated J1-J2 Ising model on the honeycomb latticeWe study the phase transitions of the frustrated J1-J2 Ising model on the honeycomb lattice using the non-perturbative first principle Monte Carlo simulations. Here J1 < 0 and J2 > 0 are…Shang-Wei Li, Yuan-Heng Tseng, Fu-Jiun Jiang·Sep 14, 2025SaveLearn
Using orthogonal projectors in multigrid multilevel Monte Carlo for trace estimation in lattice QCDWe introduce a multigrid multilevel Monte Carlo method for stochastic trace estimation in lattice QCD based on orthogonal projections. This formulation extends the previously proposed oblique…Andreas Frommer, Jose Jimenez-Merchan, Francesco Knechtli et al.·Sep 14, 2025SaveLearn
Sparse modeling study of extracting charmonium spectral functions from lattice QCD at finite temperatureWe present charmonium spectral functions extracted from Euclidean-time correlation functions using sparse modeling (SpM). SpM solves inverse problems by considering only the sparsity of the target…Junichi Takahashi, Hiroshi Ohno, Akio Tomiya·Sep 12, 2025SaveLearn
Matrix-free Neural Preconditioner for the Dirac Operator in Lattice Gauge TheoryLinear systems arise in generating samples and in calculating observables in lattice quantum chromodynamics~(QCD). Solving the Hermitian positive definite systems, which are sparse but…Yixuan Sun, Srinivas Eswar, Yin Lin et al.·Sep 12, 2025SaveLearn
Real-Time String Dynamics in a 2+1D Non-Abelian Lattice Gauge Theory: String Breaking, Glueball Formation, Baryon Blockade, and Tension ReductionUnderstanding flux string dynamics can provide insight into quark confinement and hadronization. First-principles quantum and numerical simulations have mostly focused on toy-model Abelian lattice…Giovanni Cataldi, Simone Orlando, Jad C. Halimeh·Sep 10, 2025SaveLearn
Lattice QCD Study of Anomalous Transport Phenomena in Strongly Interacting MatterIn this thesis, we study the Chiral Magnetic Effect (CME) and the Chiral Separation Effect (CSE) using lattice QCD simulations. We completely characterize the CSE in QCD using 2+1 simulations of…Eduardo Garnacho-Velasco·Sep 8, 2025SaveLearn
Non-singlet conserved charges and anomalies in 3+1 D staggered fermionsIn this paper, we show that the 3+1 D staggered fermion Hamiltonian possesses, in addition to the conserved charge Q0 that generates the vector U(1)V transformation, conserved charges…Tetsuya Onogi, Tatsuya Yamaoka·Sep 5, 2025SaveLearn
Parton physics from a heavy-quark operator product expansion: Lattice QCD calculation of the fourth moment of the pion distribution amplitudeThe pion light-cone distribution amplitude (LCDA) is an essential non-perturbative input for a range of high-energy exclusive processes in quantum chromodynamics. Building on our previous work, the…William Detmold, Anthony V. Grebe, Issaku Kanamori et al.·Sep 5, 2025SaveLearn
An exploratory calculation of K Lμ+μ- decay from Lattice QCD at physical pion massWe compute the complex, long-distance two-photon-exchange amplitude which contributes to the rare K L→μ+μ- decay from lattice QCD. We use a 243× 64 physical-pion-mass…Peter Boyle, En-Hung Chao, Norman Christ et al.·Sep 4, 2025SaveLearn
Gluon Condensate via Dirac Spectral Density: IR Phase, Scale Anomaly and IR DecouplingQuark and gluon scalar densities, and F2 , reflect the degree of scale-invariance violations in SU(N) gauge theories with fundamental quarks. It is…Ivan Horváth·Sep 3, 2025SaveLearn
From deconfinement to nuclear matter: mean-field approaches for effective Polyakov loop theories of lattice QCDNumerical studies of the QCD phase diagram at finite baryon chemical potential μB on the lattice are impeded by a sign problem. Effective Polyakov loop theories derived from lattice QCD via…Christoph Konrad, Owe Philipsen·Sep 3, 2025SaveLearn
Recent progress on charmed hadron interactions from lattice QCDRecent years have witnessed rapid progress in charmed hadron physics, driven by numerous experimental discoveries of exotic states such as T+cc and Pc. These findings have highlighted the…Yan Lyu·Sep 3, 2025SaveLearn
Gradient flow for parton distribution functions: first application to the pionParton distribution functions (PDFs) are central to precision QCD phenomenology. Their Mellin moments can be computed on the lattice, but direct determinations using local operators, besides $…Anthony Francis, Patrick Fritzsch, Robert V. Harlander et al.·Sep 2, 2025SaveLearn
Fermion Discretization Effects in the Two-Flavor Lattice Schwinger Model: A Study with Matrix Product StatesWe present a comprehensive tensor network study of staggered, Wilson, and twisted mass fermions in the Hamiltonian formulation, using the massive two-flavor Schwinger model as a benchmark. Particular…Tim Schwägerl, Karl Jansen, Stefan Kühn·Sep 2, 2025SaveLearn
Tensor renormalization group approach to entanglement entropyWe propose a method to compute the entanglement entropy (EE) using the tensor renormalization group (TRG) method. The reduced density matrix of a d-dimensional quantum system is represented as a…Takahiro Hayazaki, Daisuke Kadoh, Shinji Takeda et al.·Sep 2, 2025SaveLearn
Improving the Precision of First-Principles Calculation of Parton Physics from Lattice QCDLarge Momentum Effective Theory (LaMET) provides a general framework for computing the multi-dimensional partonic structure of the proton from first principles using lattice quantum chromodynamics…Yong Zhao·Aug 29, 2025SaveLearn
Lattice evidence that scalar glueballs are smallThis work reports the first calculation of the gravitational form factors (GFFs) of the scalar glueball, performed via lattice field theory in Yang-Mills theory at a single lattice spacing. The…Ryan Abbott, Daniel C. Hackett, Dimitra A. Pefkou et al.·Aug 29, 2025SaveLearn
Long-distance reconstruction of QED corrections to the hadronic vacuum polarization for the muon g-2The long-distance contribution of QED corrections to the hadronic vacuum polarization is particularly challenging to compute in lattice QCD+QED. Currently, it is one of the limiting factors towards…Christoph Lehner, Julian Parrino, Andreas Völklein·Aug 29, 2025SaveLearn
Studying Effective String Theory using deep generative modelsEffective String Theory (EST) offers a robust non-perturbative framework for describing confinement in Yang-Mills theory by treating the confining flux tube between a static quark-antiquark pair as a…Michele Caselle, Elia Cellini, Alessandro Nada·Aug 28, 2025SaveLearn
Empirical investigation of nuclear correlation function distributions in lattice QCDTwo-point correlation functions of systems with baryon number B ∈ \1,2,3,4\ are investigated using lattice Quantum Chromodynamics (QCD). In particular, the empirical distributions of…William Detmold, Rohan Kanchana, Cagin Yunus·Aug 28, 2025SaveLearn
Mixing of heavy and light quarks in charmonium and light mesonsWe study the system of light mesons, charmonium and glueballs in the flavor singlet scalar channel where they can mix. We use lattice QCD simulations with an almost physical charm quark and three…Francesco Knechtli, Jacob Finkenrath, Roman Höllwieser et al.·Aug 27, 2025SaveLearn
Finite-volume analysis and universal scaling signatures near the chiral phase transition in (2+1)-flavor QCDFor quantifying the universal properties of the chiral phase transition in QCD through numerical calculations on a discrete space-time lattice, one needs to perform controlled extrapolations to the…Sabarnya Mitra, Frithjof Karsch·Aug 26, 2025SaveLearn
Towards dynamical simulations with the anisotropic HISQ actionThe primary goal of this project is the reconstruction of quarkonium spectral functions from thermal lattice correlators, relevant for the study of Quark-Gluon Plasma in heavy-ion collisions. To this…Alexei Bazavov, Yannis Trimis, Johannes Heinrich Weber·Aug 25, 2025SaveLearn