Is it worth the effort to find Lefschetz thimbles? Integration contours with numerically optimal signal-to-noise ratios in simple fermionic toy modelsWe perform a detailed analysis of the fermionic sign problem in a series of one dimensional integrals, that are achieved as extreme (one-site) limits of genuine physics models. Altogether we studied…Attila Pasztor, David Pesznyak·Aug 5, 2026SaveLearn
A first look at Structured-Multiscale Algebraic Multigrid for Lattice Field TheoryState-of-the-art solvers for the Dirac equation in Lattice QCD are based on adaptive multigrid methods. These require fine-tuning of many algorithmic parameters to achieve optimal performance. We…Pauline Schauerte, Jaime Fabián Nieto Castellanos, Arnold Krechel et al.·Aug 4, 2026SaveLearn
Scalar and Tensor Form Factors for Λ→ p ν from Lattice QCDWe present a determination of the scalar and tensor Λ p transition form factors using lattice QCD. These form factors are relevant for semileptonic hyperon decays in the presence of extensions…Constantia Alexandrou, Simone Bacchio, Andreas Konstantinou et al.·Aug 4, 2026SaveLearn
Lattice study of the critical bubble in SU(8) deconfinement transitionStrongly coupled theories are of phenomenological interest, for example as dark matter candidates. Theories that can undergo first order thermal phase transitions are particularly appealing as…Kari Rummukainen, Riikka Seppä, David J. Weir·Aug 4, 2026SaveLearn
The Momentum Fraction, Helicity and Transversity Isovector Moments of Nucleons from 2+12+1-flavor Lattice QCDResults for the isovector momentum fraction, x u-d, helicity moment, x Δu-Δd, and the transversity moment, xδu-δd, of the nucleon are…Santanu Mondal, Rajan Gupta, Sungwoo Park et al.·Aug 3, 2026SaveLearn
Wavefunction-based operator optimization for two-hadron systems in lattice QCDA systematic way to constructing optimized interpolating operators for two-hadron systems is developed by incorporating inter-hadron spatial wavefunctions. The wavefunctions can be obtained from an…Yan Lyu, Sinya Aoki, Takumi Doi et al.·Aug 3, 2026SaveLearn
Decoding Two-Particle States in QCD with Spatial WavefunctionsA systematic framework for constructing optimized interpolating operators strongly coupled to QCD two-particle states is developed, which is achieved by incorporating inter-hadron spatial…Yan Lyu, Sinya Aoki, Takumi Doi et al.·Aug 3, 2026SaveLearn
Lattice QCD Calculation of the Pion Mass SplittingWe use the infinite volume reconstruction method to calculate the charged/neutral pion mass difference. The hadronic tensor is calculated on lattice QCD and then combined with an analytic photon…Xu Feng, Luchang Jin, Michael Joseph Riberdy·Aug 3, 2026SaveLearn
Revisiting the sphaleron and axion production rates in QCD at high temperaturesWe report our new lattice results for the sphaleron rate calculated within a thermal effective field theory of soft SU(N) gluons whose momenta are below the magnetic scale, where N=2,3, for a wide…Sayak Guin, Sayantan Sharma·Aug 1, 2026SaveLearn
Anomalous Thermal Dimension and the Enthalpy Renormalization Group Flow in QCDA precise characterization of the QCD phase transition remains a fundamental open problem, primarily due to the intrinsically non-perturbative nature of the dynamics that govern the breakdown of…S. D. Campos·Jul 31, 2026SaveLearn
Parton distribution functions from lattice QCDParton distribution functions (PDFs) provide one of the most direct ways to describe the partonic structure of hadrons in QCD. They encode nonperturbative information about quarks, antiquarks, and…Martha Constantinou, Krzysztof Cichy·Jul 31, 2026SaveLearn
Arbitrary-Distance Quantum Error Correction with Gauss's Law for Z2 Lattice Gauge TheoryIt has previously been shown by Rajput, Roggero, and Wiebe that Z2 Gauss's law constraints can be used to build efficient quantum error-correcting codes (QECCs) that are robust against…Neel S. Modi, Lento Nagano, Masazumi Honda et al.·Jul 31, 2026SaveLearn
Generalized parton distributions from lattice QCDThis chapter gives an overview of the recent progress in extracting generalized parton distributions from lattice QCD. We briefly recall the theoretical principles of GPDs and explain the two most…Krzysztof Cichy, Martha Constantinou·Jul 31, 2026SaveLearn
Local Thermalization of SU(2) Lattice Gauge Fields on Quantum ComputersWe simulate the local thermalization dynamics for minimally truncated SU(2) pure gauge theory on linear plaquette chains with up to 151 plaquettes using IBM quantum computers. We study the time…Jiunn-Wei Chen, Yu-Ting Chen, Ghanashyam Meher et al.·Jul 31, 2026SaveLearn
Coupled-channel approach to isotensor πππ scattering from lattice QCDThe quest to understand three-body dynamics from first-principle QCD includes the study of non-resonant and resonant systems. The isospin I=2 system is of particular interest having no three-body…Yuchuan Feng, Chris Culver, Michael Döring et al.·Jul 31, 2026SaveLearn
S-wave kaon-nucleon interactions from lattice QCD at the physical pointWe investigate S-wave kaon-nucleon (KN) interactions with strangeness S=+1 in lattice QCD using the time-dependent HAL QCD method. Employing the (2+1)-flavor gauge configuration with…Kotaro Murakami, Sinya Aoki, Takumi Doi et al.·Jul 31, 2026SaveLearn
Exact chiral symmetry with quantum signal processingWe give a quantum signal processing (QSP) algorithm for the overlap fermion Hamiltonian which preserves the Ginsparg-Wilson relation up to a controllable error εe. Quantum simulations of Dirac…Henry Lamm, Alessandro Roggero, Hersh Singh et al.·Jul 30, 2026SaveLearn
On credit attribution and research software: A case study from lattice QCDQuestions of authorship, credit attribution, and the recognition of research software contributions have become increasingly prominent in those constantly growing research areas for which software…Alessandro Sciarra·Jul 30, 2026SaveLearn
Pion Transition Form Factor in Lattice QCDWe investigate the neutral pion transition form factor Fπ0γγ(q12,q22) in lattice QCD and confirm that the connected and disconnected contributions have the same sign. We employ…Shihao Su, Liuming Liu, Peng Sun·Jul 30, 2026SaveLearn
Confinement and String Breaking in the Compact Abelian Higgs ModelWhile real-time simulation of Quantum Chromodynamics remains technologically out of reach, simplified models for studying elements of QCD phenomenology abound. This work presents a simple model, a…Blake Senseman, Zane Ozzello, Yannick Meurice et al.·Jul 30, 2026SaveLearn
Reducing the Gate Count with Efficient Trotter-Suzuki SchemesHamiltonian formulations of lattice field theories provide access to real-time dynamics, but their simulation is difficult to implement efficiently. Trotter-Suzuki decompositions are at the center of…Marko Maležič, Johann Ostmeyer·Jul 30, 2026SaveLearn
Unpolarized gluon PDF of the nucleon from lattice QCD at physical point in the continuum limitWe report a state-of-the-art lattice QCD calculation of the nucleon unpolarized gluon parton distribution function employing large-momentum effective theory. The calculation is carried out on the 2+1…Chen Chen, Chunhua Zeng, Hongxin Dong et al.·Jul 30, 2026SaveLearn
Static Quark-Antiquark Interactions Under RotationWe study static quark--antiquark interactions in rotating SU(3) gluodynamics using quenched lattice simulations at imaginary angular velocity. At zero temperature, we extract the static potential…Heng-Tong Ding, Olaf Kaczmarek, Ran Luo et al.·Jul 29, 2026SaveLearn
Quark flavor physics with lattice QCDThis is an overview of quark flavor physics as presented in a plenary talk at Lattice 2023. In the first part, I discuss the main processes and lattice-QCD inputs used to determine the Wolfenstein…Stefan Meinel·Jul 29, 2026SaveLearn
Quantum Phase Diagram of the 2+1D Untruncated SU(2) Lattice Gauge Theory with Dynamical FermionsNon-Abelian gauge theories with dynamical matter govern the strong interaction and a broad class of strongly correlated quantum systems, yet their ground-state properties remain difficult to obtain…Gabriel Rouxinol, Julian Bender, Patrick Emonts et al.·Jul 28, 2026SaveLearn