Model-free spectral reconstruction via Lagrange dualityVarious physical quantities -- including real-time response, inclusive cross-sections, and decay rates -- may not be directly determined from Euclidean correlators. They are, however, easily…Scott Lawrence·Aug 21, 2024SaveLearn
Floquet prethermalization of Z2 lattice gauge theory on superconducting qubitsSimulating nonequilibirum dynamics of a quantum many-body system is one of the promising applications of quantum computing. We simulate the time evolution of one-dimensional Z2 lattice gauge…Tomoya Hayata, Kazuhiro Seki, Arata Yamamoto·Aug 19, 2024SaveLearn
Coulomb confinement in the Hamiltonian limitThe Gribov--Zwanziger scenario attributes the phenomenon of confinement to the instantaneous interaction term in the QCD Hamiltonian in the Coulomb gauge. For a static quark-antiquark pair, it leads…Sebastian M. Dawid, Wyatt A. Smith, Arkaitz Rodas et al.·Aug 16, 2024SaveLearn
Dynamical Dark Energy from Lattice Quantum GravityWe study the behavior of the vacuum in Euclidean dynamical triangulations (EDT). Algorithmic improvements and better lattice spacing determinations allow us to test the properties of the emergent de…Mingwei Dai, Walter Freeman, Jack Laiho et al.·Aug 16, 2024SaveLearn
Structure-dependent electromagnetic finite-volume effects to the hadronic vacuum polarisationIn this talk we present some preliminary results and discuss the prospects of determining the leading structure-dependent finite-volume effects in the hadronic vacuum polarisation associated to order…Nils Hermansson-Truedsson·Aug 15, 2024SaveLearn
Is Lattice Quantum Gravity Asymptotically Safe? Making contact between Causal Dynamical Triangulations and the Functional Renormalization GroupWe compare the effective action of the scale factor obtained from lattice quantum gravity (in the form of Causal Dynamical Triangulations (CDT)) to the corresponding effective action obtained from…Jan Ambjørn, Jakub Gizbert-Studnicki, Andrzej Gőrlich et al.·Aug 14, 2024SaveLearn
Discretization effects in finite-volume 22 scatteringWe incorporate non-zero lattice-spacing effects into L\"uscher's finite-volume scattering formalism. The new quantization condition takes lattice energies as input and returns a version of the…Maxwell T. Hansen, Toby Peterken·Aug 13, 2024SaveLearn
Systematic Uncertainties from Gribov Copies in Lattice Calculation of Parton Distributions in the Coulomb gaugeRecently, it has been proposed to compute parton distributions from boosted correlators fixed in the Coulomb gauge within the framework of Large-Momentum Effective Theory. This method does not…Xiang Gao, Jinchen He, Rui Zhang et al.·Aug 12, 2024SaveLearn
Comments on "Non-local Nucleon Matrix Elements in the Rest Frame"In a recent paper, "Non-local Nucleon Matrix Elements in the Rest Frame" (Phys. Rev. D 111, 5 (2025)), it was observed that the next-to-leading order calculations of the renormalization factor can…Xiang Gao, Jinchen He, Yushan Su et al.·Aug 7, 2024SaveLearn
Investigation of pion-nucleon contributions to nucleon matrix elementsWe investigate contributions of excited states to nucleon matrix elements computed in lattice QCD by employing, in addition to the standard nucleon interpolating operator, pion-nucleon (π-N)…Constantia Alexandrou, Giannis Koutsou, Yan Li et al.·Aug 7, 2024SaveLearn
Transverse force distributions in the proton from lattice QCDSingle-spin asymmetries observed in polarised deep-inelastic scattering are important probes of hadron structure. The Sivers asymmetry has been the focus of much attention in QCD phenomenology and is…J. A. Crawford, K. U. Can, R. Horsley et al.·Aug 7, 2024SaveLearn
Charmed meson masses and decay constants in the continuum from the tadpole improved clover ensemblesWe present the determination of the charm quark mass, the masses, and decay constants of charmed mesons using thirteen 2+1 flavor gauge ensembles at five different lattice spacings a∈[0.05,0.11]…Hai-Yang Du, Bolun Hu, Mengchu Cai et al.·Aug 7, 2024SaveLearn
Highly excited B, Bs and Bc meson spectroscopy from lattice QCDExcited state spectra of B, Bs and Bc mesons are computed using lattice QCD. Working with a large basis of carefully constructed, approximately-local qq-like operators we determine a…Luke Gayer, Sinéad M. Ryan, David J. Wilson·Aug 4, 2024SaveLearn
SU(2) gauge theory with one and two adjoint fermions towards the continuum limitWe provide an extended lattice study of the SU(2) gauge theory coupled to one Dirac fermion flavour (Nf =1) transforming in the adjoint representation as the continuum limit is…Andreas Athenodorou, Ed Bennett, Georg Bergner et al.·Jul 31, 2024SaveLearn
Lanczos algorithm for lattice QCD matrix elementsRecent work found that an analysis formalism based on the Lanczos algorithm allows energy levels to be extracted from Euclidean correlation functions with faster ground-state convergence than…Daniel C. Hackett, Michael L. Wagman·Jul 31, 2024SaveLearn
Timelike meson form-factors beyond the elastic region from lattice QCDWe present a calculation of the vector-isovector timelike form-factors of the pion and the kaon using lattice quantum chromodynamics. We calculate two-point correlation functions with $mπ …Felipe Ortega-Gama, Jozef Dudek, Robert Edwards·Jul 30, 2024SaveLearn
Neutrinoless double-beta decay in a finite volume from relativistic effective field theoryThe neutrinoless double-beta decay process nn→ ppee within the light Majorana-exchange scenario is studied using the relativistic pionless effective field theory (EFT) in finite-volume…Y. L. Yang, P. W. Zhao·Jul 29, 2024SaveLearn
Loop-string-hadron approach to SU(3) lattice Yang-Mills theory: I. Hilbert space of a trivalent vertexThe construction of gauge invariant states of SU(3) lattice gauge theories has garnered new interest in recent years, but implementing them is complicated by the need for SU(3) Clebsch-Gordon…Saurabh V. Kadam, Aahiri Naskar, Indrakshi Raychowdhury et al.·Jul 27, 2024SaveLearn
Absorbing discretisation effects with a massive renormalization scheme: the charm-quark massWe present the first numerical implementation of the massive SMOM (mSMOM) renormalization scheme and use it to calculate the charm quark mass. Based on ensembles with three flavours of dynamical…Luigi Del Debbio, Felix Erben, Jonathan M. Flynn et al.·Jul 26, 2024SaveLearn
Finite-volume formalism for physical processes with an electroweak loop integralThis study investigates finite-volume effects in physical processes that involve the combination of long-range hadronic matrix elements with electroweak loop integrals. We adopt the approach of…Xin-Yu Tuo, Xu Feng·Jul 24, 2024SaveLearn
ω meson from lattice QCDMany excited states in the hadron spectrum have large branching ratios to three-hadron final states. Understanding such particles from first principles QCD requires input from lattice QCD with one-,…Haobo Yan, Maxim Mai, Marco Garofalo et al.·Jul 23, 2024SaveLearn
Non-local Nucleon Matrix Elements in the Rest FrameExtracting parton structure from lattice quantum chromodynamics (QCD) calculations requires studying the coordinate scale z3 dependence of the matrix elements of bilocal operators. The most…Joe Karpie, Christopher Monahan, Anatoly Radyushkin·Jul 23, 2024SaveLearn
Lattice study of SU(2) gauge theory coupled to four adjoint Higgs fieldsGauge theories with matter fields in various representations play an important role in different branches of physics. Recently, it was proposed that several aspects of the interesting pseudogap phase…Guilherme Catumba, Atsuki Hiraguchi, Wei-Shu Hou et al.·Jul 22, 2024SaveLearn
Initial tensor construction and dependence of the tensor renormalization group on initial tensorsWe propose a method to construct a tensor network representation of partition functions without singular value decompositions nor series expansions. The approach is demonstrated for one- and…Katsumasa Nakayama, Manuel Schneider·Jul 19, 2024SaveLearn
First lattice QCD calculation of J/ semileptonic decay containing D and Ds particlesWe perform the first lattice calculation on the semileptonic decay of J/ using the (2+1)-flavor Wilson-clover gauge ensembles generated by CLQCD collaboration. Three gauge ensembles with…Yu Meng, Jin-Long Dang, Chuan Liu et al.·Jul 18, 2024SaveLearn