Nucleon unpolarized second Mellin moments using lattice QCD ensembles with physical quark masses and in the continuum limitWe compute the matrix elements of the energy-momentum tensor of the nucleon using four ensembles of twisted mass clover-improved fermions with the up, down, strange and charm quark masses tuned to…Constantia Alexandrou, Simone Bacchio, Jacob Finkenrath et al.·Jul 22, 2026SaveLearn
Two-nucleon systems at mπ≈292 MeV from lattice QCDNucleon-nucleon systems in the 3S1 and the 1S0 channels are studied in lattice quantum chromodynamics at a pion mass of approximately mπ≈292 MeV, employing three Nf = 2+1…Kuan Zhang, Kang Yu, Yiqi Geng et al.·Jul 22, 2026SaveLearn
Ground state preparation in (2+1)-dimensional pure Z2 lattice gauge theory via deterministic quantum imaginary time evolutionIn this paper, we apply the deterministic quantum imaginary time evolution (QITE) algorithm to obtain the ground state of a 2+1-dimensional pure Z2 lattice gauge theory. We first…Minoru Sekiyama, Lento Nagano·Jul 22, 2026SaveLearn
Two and three point functions in real singlet and complex doublet scalar modelWe study dynamics of an interacting theory of a real singlet scalar and an SU(2) symmetry preserving complex doublet scalar fields using lattice simulations over a broad region of the parameter…Muhammad Saad, Tajdar Mufti·Jul 22, 2026SaveLearn
Resolving the Tcc+ with π Exchange from Lattice QCDWe revisit the lattice QCD description of the doubly charmed tetraquark Tcc+ using a finite-volume scattering formalism that incorporates one-pion exchange nonperturbatively, thereby making the…Nelson Pitanga Lachini, Raúl A. Briceño·Jul 21, 2026SaveLearn
Baryon Light-Cone Distribution Amplitudes from Lattice QCD: Formalism, Renormalization, Extrapolation, and MatchingBaryon light-cone distribution amplitudes (LCDAs) are inherently multidimensional objects parametrized by two independent longitudinal momentum fractions, making their first-principles determination…Mu-Hua Zhang, Haoyang Bai, Min-Huan Chu et al.·Jul 20, 2026SaveLearn
Complete Access to Leading-Twist Λ-Baryon Light-Cone Distribution Amplitudes from Lattice QCDWe report the first complete lattice-QCD determination of the leading-twist light-cone distribution amplitudes (LCDAs) of the Λ baryon, obtained as full two-dimensional functions of the…Mu-Hua Zhang, Haoyang Bai, Min-Huan Chu et al.·Jul 20, 2026SaveLearn
Imprints of UA(1) chiral anomaly and disorder in the Dirac eigenspectrum of QCD at finite temperatureWe perform a comprehensive study of the properties of Dirac eigenvalue spectrum in QCD as a function of temperature on the lattice. In addition to effects due to interplay between interactions and…Ravi Shanker, Harshit Pandey, Sayantan Sharma·Jul 20, 2026SaveLearn
One-Loop Renormalization of the Improved Energy-Momentum Tensor in Lattice QCDWe present the one-loop renormalization of the improved gluonic energy-momentum tensor (EMT) by employing a three-loop-improved clover discretization of the field-strength tensor in pure SU(3)…Mushtaq Loan, Nasser Demir·Jul 19, 2026SaveLearn
Path optimization method for the sign problem: Insights from random matrix modelsThe path optimization method is applied to the Stephanov model and the chiral random matrix model, both of which share several properties with QCD, to mitigate the sign problem caused by the fermion…Kouji Kashiwa, Yusuke Namekawa, Hayato Takase·Jul 17, 2026SaveLearn
LQCDMaster: Agentic Scientific Computing for Lattice Quantum Chromodynamics ResearchLattice quantum chromodynamics (LQCD) provides a first-principles framework for computing hadronic observables, but its practical use remains limited by the substantial expertise required to turn…Haofei Gao, Tingjia Miao, Wenkai Jin et al.·Jul 16, 2026SaveLearn
Fermion-doubling problem in Chiral discretizations of Quantum field theory: Definitive proof, Fixing, and Computation of two-point correlation functionWe give the definitive proof that the Dirac Quantum Cellular Automaton (QCA) used for both quantum simulation and algorithmic foundations of Quantum Field Theory (QFT), and especially of Quantum…Dogukan Bakircioglu, Pablo Arnault·Jul 16, 2026SaveLearn
Lattice determination of the neutrino background for J/ψ→ γ+ invisibleSearching for dark matter is a primary goal of modern astronomy and particle physics. Invisible decays of heavy quarkonia are particularly promising for probing light dark matter, attracting broad…Yu Meng, Ning Li, Chuan Liu et al.·Jul 16, 2026SaveLearn
Renormalizing a three-flavor lattice calculation of the two-photon contribution to KLμ+μ-The Standard Model prediction for the rare KLμ+μ- decay depends critically on the long-distance contribution coming from the exchange of two photons. Such a contribution can be computed using…En-Hung Chao, Norman Christ, Ceran Hu·Jul 15, 2026SaveLearn
RI/SMOM renormalization for lattice QCD: bilinear and three-quark operatorsWe review perturbative matching between the regularization-invariant symmetric MOM (RI/SMOM) and MS schemes at the symmetric subtraction point, which is relevant for lattice QCD simulations. For…Bernd A. Kniehl, Oleg L. Veretin·Jul 15, 2026SaveLearn
Inclusive P-wave Quarkonium Decay Widths from Lattice QCD and pNRQCDInclusive hadronic decay widths remain a long-standing challenge for first-principles QCD. We present a framework combining lattice QCD with strongly-coupled potential nonrelativistic QCD (pNRQCD) to…Nora Brambilla, Viljami Leino, Julian Mayer-Steudte et al.·Jul 14, 2026SaveLearn
Lattice Configuration Generation with a Self-Learning Diffusion ModelWe show that a diffusion sampler for lattice-field configurations can be trained without preparing training data by an external Monte Carlo calculation. Starting from exactly sampled configurations…Akio Tomiya·Jul 14, 2026SaveLearn
Multi-Hadron Scattering from Lattice Quantum ChromodynamicsThis thesis develops lattice-QCD methods for studying hadron structure, scattering, and decays, with particular emphasis on multi-hadron resonances. The Mathematica package OpTion…Haobo Yan·Jul 14, 2026SaveLearn
The sigma meson (f0) at finite temperature with truncated overlap fermionsWe study the temperature dependence of meson screening masses in two-flavour lattice QCD using dynamical truncated overlap fermions (TOF), a type of lattice chiral fermions. The screening masses for…S. Date, Y. Murakami, M. Sekiguchi et al.·Jul 14, 2026SaveLearn
QFT on rotating boxes at finite temperatureWe formulate thermal quantum field theory on a finite spatial periodic volume incorporating finite rotations. Traditional compactifications at finite temperature without rotations typically involve…Sebestyen Nagy, Daniel Nogradi·Jul 14, 2026SaveLearn
Low-energy DD scattering in lattice QCDWe present the first lattice QCD calculation of single-channel DD scattering with quantum numbers I(JP)=1(0+) and 0(1-). The calculation is performed on the 2+1 flavor Wilson-Clover…Pan-Pan Shi, Feng-Kun Guo, Chuan Liu et al.·Jul 14, 2026SaveLearn
Chiral and U(1)A symmetries in background magnetic fields from lattice QCDWe study chiral symmetry and singlet U(1)A symmetry in QCD in a background magnetic field using lattice QCD. We first clarify the neutral-sector symmetry structure in a pure magnetic background,…Heng-Tong Ding, José Javier Hernández Hernández, Dan Zhang·Jul 13, 2026SaveLearn
Flavoured Lattice Schwinger Model with Chiral AnomalyWe introduce the flavoured lattice Schwinger model, a (1+1)-dimensional U(1) lattice gauge theory in which the fermion doubling problem is resolved by staggering a Z2…Dogukan Bakircioglu·Jul 13, 2026SaveLearn
The Neutron Electric Dipole Moment from Lattice QCD using a Background Electric FieldWe present the calculation of the neutron electric dipole moment (nEDM) dn using 2+1 flavor domain wall fermion ensembles with fixed lattice spacing a≈ 0.11\,fm and pion masses of…Thomas Blum, Fangcheng He, Taku Izubuchi et al.·Jul 12, 2026SaveLearn
Higher-order hopping-parameter expansion by human-AI collaborationWe develop efficient algorithms for evaluating higher-order terms in the hopping-parameter expansion of Tr M on SU(Nc) gauge configurations. The resulting algorithms, which…Masakiyo Kitazawa, Tatsuya Wada·Jul 10, 2026SaveLearn