Gaussian Processes for Inferring Parton DistributionsThe extraction of parton distribution functions (PDFs) from experimental or lattice QCD data is an ill-posed inverse problem, where regularization strongly impacts both systematic uncertainties and…Yamil Cahuana Medrano, Hervé Dutrieux, Joseph Karpie et al.·Oct 23, 2025SaveLearn
Hadronic physics from a Wilson fermion mixed-action approach: Setup and scale settingWe introduce a lattice QCD mixed action approach that employs Wilson-type quarks in the sea and valence sectors. The sea sector is based on gauge ensembles with N f=2+1 flavours of…Andrea Bussone, Alessandro Conigli, Julien Frison et al.·Oct 23, 2025SaveLearn
Repulsively Bound Hadrons in a Z2 Lattice Gauge TheoryThe Z2 lattice gauge theory is a paradigmatic model that exhibits gauge-field-mediated-confinement of pairs of particles into mesons, drawing connections to quantum chromodynamics. In the…Sayak Guha Roy, Vaibhav Sharma, Kaidi Xu et al.·Oct 21, 2025SaveLearn
Chiral anomalies and Wilson fermionsThe Wilson formulation of fermions in lattice gauge theory provides a unified description of the chiral anomalies in the standard model. The discrete Dirac operator diagonalizes into a series of two…Michael Creutz·Oct 21, 2025SaveLearn
First Self-Renormalized Gluon PDF of Nucleon from Large-Momentum Effective Theory in the Continuum LimitWe present the first lattice-QCD determination of the nucleon gluon parton distribution function (PDF) within the large-momentum effective theory (LaMET) framework, employing the hybrid scheme with…Alex NieMiera, William Good, Huey-Wen Lin et al.·Oct 20, 2025SaveLearn
Electromagnetic form factors and structure of the Tbb tetraquark from lattice QCDWe present the first lattice QCD determination of the electromagnetic form factors of the exotic tetraquark Tbb \ (bb u d) with quantum numbers I( JP ) = 0( 1+ ). The extracted…Ivan Vujmilovic, Sara Collins, Luka Leskovec et al.·Oct 20, 2025SaveLearn
Maximally supersymmetric Yang--Mills in three dimensionsWe present the latest results from our ongoing lattice field theory investigations of maximally supersymmetric Yang--Mills theory in three space-time dimensions, focusing on its non-perturbative…David Schaich, Angel Sherletov·Oct 20, 2025SaveLearn
The Truncated Hankel Correlator MethodWe introduce a new method to approximate Euclidean correlation functions by exponential sums. The Truncated Hankel Correlator (THC) method builds a Hankel matrix from the full correlator data…Johann Ostmeyer, Carsten Urbach·Oct 17, 2025SaveLearn
Using lattice chiral effective theory to study pi-pi scatteringWe use lattice field theory to study the finite-volume energy spectrum of the ππ system in SU(2) chiral effective field theory (ChEFT) at leading order in the chiral expansion. This…Cameron Cianci, Luchang Jin, Joshua Swaim·Oct 16, 2025SaveLearn
Study of the Ds ϕ ν semileptonic decay with (2+1)-flavor lattice QCDWe present a systematic lattice calculation of the Ds ϕ ν semileptonic decay using (2+1)-flavor Wilson-clover fermion configurations generated by the CLQCD collaboration. Seven gauge…Gaofeng Fan, Yu Meng, Chuan Liu et al.·Oct 16, 2025SaveLearn
Finite-length flux tube in the dual Ginzburg-Landau theory on the dual latticeThe dual Ginzburg-Landau (DGL) theory is one of the nonperturbative effective field theories of quantum chromodynamics (QCD). The DGL theory describes the QCD vacuum as a dual superconductor and…Yoshiaki Koma, Miho Koma·Oct 14, 2025SaveLearn
The large-N limit of the topological susceptibility of SU(N) Yang-Mills theories via Parallel Tempering on Boundary ConditionsI present a large-N determination of the topological susceptibility χ of SU(N) Yang--Mills theories using non-perturbative numerical Monte Carlo simulations of the lattice-discretized…Claudio Bonanno·Oct 9, 2025SaveLearn
Phase structure analysis of 2d lattice CP(1) model with θ term using tensor renormalization group methodWe investigate the phase structure of a two-dimensional lattice CP(1) model with a θ term. In particular, we aim to identify a critical region expected to exist along a θ=π line. To explore the…Hayato Aizawa, Shinji Takeda, Yusuke Yoshimura·Oct 8, 2025SaveLearn
Non-singlet vector current in lattice QCD: O(a)-improvement from large volumesIn previous work, we determined the improvement coefficients cV and cV required for the massless O(a)-improvement of the local and point-split…Tim Harris, Harvey B. Meyer·Oct 8, 2025SaveLearn
Studying QED3 with radial quantization on the lattice: Free limitTo investigate the three-dimensional quantum electrodynamics in the radial quantization on the lattice, the lattice action is constructed and the free limit is studied on S2 × R.…Peter A. Boyle, Richard C. Brower, George T. Fleming et al.·Oct 3, 2025SaveLearn
Strong CP problem, theta term and QCD topological propertiesIn this chapter we introduce the θ-dependence and the topological properties of QCD, features of the strongly interacting sector which give rise to the strong CP problem in the more general context…Claudio Bonanno, Claudio Bonati, Massimo D'Elia·Oct 3, 2025SaveLearn
Approaching the continuum with anisotropic lattice thermodynamicsThe FASTSUM collaboration has a long-standing programme of using anisotropic lattice QCD to investigate strong interaction thermodynamics, and in particular spectral quantities. Here we present first…Jon-Ivar Skullerud, Gert Aarts, Chris Allton et al.·Oct 3, 2025SaveLearn
Flux tubes in QCD at finite temperatureWe present results for the chromo-electric field generated by a static quark-antiquark pair at finite temperature, in lattice QCD with 2+1 dynamical staggered fermions at physical quark masses. We…Marshall Baker, Paolo Cea, Volodymyr Chelnokov et al.·Oct 2, 2025SaveLearn
Confinement-Higgs and deconfinement-Higgs transitions in four-dimensional SU(2) LGT at finite temperatureWe re-examine by numerical simulation the phase structure of the (3+1)-dimensional SU(2) lattice gauge theory (LGT) with gauge fields coupled to Higgs fields at finite temperature. Concretely, we…B. Allés, O. Borisenko, A. Papa·Oct 1, 2025SaveLearn
Combining complex Langevin dynamics with score-based and energy-based diffusion modelsTheories with a sign problem due to a complex action or Boltzmann weight can sometimes be numerically solved using a stochastic process in the complexified configuration space. However, the…Gert Aarts, Diaa E. Habibi, Lingxiao Wang et al.·Oct 1, 2025SaveLearn
QCD in strong magnetic fields: fluctuations of conserved charges and EoSStrong magnetic fields can profoundly affect the equilibrium properties, characterized by the equation of state and bulk thermodynamics of strongly interacting matter. Although such fields are…Heng-Tong Ding, Jin-Biao Gu, Arpith Kumar et al.·Sep 30, 2025SaveLearn
Collins-Soper Kernel and Reduced Soft Function in Lattice QCDWe evaluate the Collins-Soper kernel and the reduced soft function in lattice QCD, incorporating O(αs) matching corrections. The calculation relies on the evaluation of the…Constantia Alexandrou, Simone Bacchio, Krzysztof Cichy et al.·Sep 30, 2025SaveLearn
Equation of State of QCD with Nf=3 flavours up to the electroweak scaleThe Equation of State of Quantum Chromodynamics with Nf=3 flavours is determined non-perturbatively with a precision of about 0.5\%-1.0\% in the range of temperatures between 3 GeV and 165 GeV.…Matteo Bresciani, Mattia Dalla Brida, Leonardo Giusti et al.·Sep 30, 2025SaveLearn
Finite-volume formalism for Nππ at maximal isospinWe extend the relativistic field theoretic finite-volume formalism to N ππ scattering states at maximal isospin, I=5/2. As in previous work using the relativistic field theory approach, we work…Maxwell T. Hansen, Fernando Romero-López, Stephen R. Sharpe·Sep 29, 2025SaveLearn
A lattice QCD study of low-energy interactions of doubly charmed baryonsWe present a lattice QCD calculation of the S-wave interactions between the spin-1/2 doubly charmed baryons (Ξcc,Ωcc) and Goldstone bosons (π,K,K) using the Nf=2+1 CLQCD ensembles…Jing-Yu Yi, Ze-Rui Liang, Liuming Liu et al.·Sep 29, 2025SaveLearn