Locality of staggered overlap operatorsWe give an explicit proof for the locality of staggered overlap operators. The proof covers the original two flavor construction by Adams as well as a single flavor version. As in the case of…Nuha Chreim, Christian Hoelbling, Christian Zielinski·Mar 11, 2022SaveLearn
Excited states and precision results for nucleon charges and form factorsThe exponentially falling signal-to-noise ratio in all nucleon correlation functions, and the presence of towers of multihadron excited states with relatively small mass gaps makes extraction of…Rajan Gupta, Tanmoy Bhattacharya, Vincenzo Cirigliano et al.·Mar 10, 2022SaveLearn
Eigenvalue-flipping Algorithm for Matrix Monte CarloMany physical systems can be described in terms of matrix models that we often cannot solve analytically. Fortunately, they can be studied numerically in a straightforward way. Many commonly used…Samuel Kováčik, Juraj Tekel·Mar 10, 2022SaveLearn
Form factors of Bπ and a determination of |Vub| with M\"obius domain-wall-fermionsUsing a fully relativistic lattice fermion action, we compute the form factors of the semileptonic decay Bπ, which is required for the determination of the Cabibbo-Kobayashi-Maskawa…Brian Colquhoun, Shoji Hashimoto, Takashi Kaneko et al.·Mar 9, 2022SaveLearn
Study of two color QCD on large latticesWe study two colors lattice QCD (QC2D) with two flavors of staggered fermions on 404 and 324 lattices with lattice spacing a =0.048~fm in the wide range of the quark chemical potential…A. Begun, V. G. Bornyakov, V. A. Goy et al.·Mar 9, 2022SaveLearn
Tensor networks for High Energy Physics: contribution to Snowmass 2021Tensor network methods are becoming increasingly important for high-energy physics, condensed matter physics and quantum information science (QIS). We discuss the impact of tensor network methods on…Yannick Meurice, James C. Osborn, Ryo Sakai et al.·Mar 9, 2022SaveLearn
Leading Isospin Breaking effects in nucleon and massesWe present a lattice calculation of the leading corrections to the masses of nucleons and resonances. These are obtained in QCD+QED at 1st order in the Isospin Breaking parameters…Simone Romiti·Mar 9, 2022SaveLearn
Remarks about weighted energy integrals over Minkowski spectral functions from Euclidean lattice dataI make some simple observations about the calculation of weighted averages over energy of Minkowski space spectral densities from weighted averages over time of Euclidean space correlation functions,…Thomas DeGrand·Mar 8, 2022SaveLearn
Curved domain-wall fermionsWe consider fermion systems on a square lattice with a mass term having a curved domain-wall. Similarly to the conventional flat domain-wall fermions, massless and chiral edge states appear on the…Shoto Aoki, Hidenori Fukaya·Mar 8, 2022SaveLearn
Calculation of neutron electric dipole moment due to the QCD topological term, Weinberg three-gluon operator and the quark chromoelectric momentWe present results for the neutron electric dipole moment due to the dimension 4 and dimension 6 gluonic CP violation, and the isovector quark chromoelectric dipole moment using clover valence quarks…Tanmoy Bhattacharya, Vincenzo Cirigliano, Rajan Gupta et al.·Mar 7, 2022SaveLearn
Neural network approach to reconstructing spectral functions and complex poles of confined particlesReconstructing spectral functions from propagator data is difficult as solving the analytic continuation problem or applying an inverse integral transformation are ill-conditioned problems. Recent…Thibault Lechien, David Dudal·Mar 7, 2022SaveLearn
Hadron Spectroscopy with Lattice QCDThe status and prospects for investigations of exotic and conventional hadrons with lattice QCD are discussed. The majority of hadrons decay strongly via one or multiple decay-channels, including…John Bulava, Raúl Briceño, William Detmold et al.·Mar 7, 2022SaveLearn
Improved Hamiltonians for Quantum SimulationsQuantum simulations of lattice gauge theories for the foreseeable future will be hampered by limited resources. The historical success of improved lattice actions in classical simulations strongly…Marcela Carena, Henry Lamm, Ying-Ying Li et al.·Mar 5, 2022SaveLearn
Gluon Digitization via Character Expansion for Quantum ComputersEfficient digitization is required for quantum simulations of gauge theories. Schemes based on discrete subgroups use a smaller, fixed number of qubits at the cost of systematic errors. We…Yao Ji, Henry Lamm, Shuchen Zhu·Mar 4, 2022SaveLearn
Four-dimensional factorization of the fermion determinant in lattice QCDIn the last few years it has been proposed a one-dimensional factorization of the fermion determinant in lattice QCD with Wilson-type fermions that leads to a block-local action of the auxiliary…Leonardo Giusti, Matteo Saccardi·Mar 4, 2022SaveLearn
Flow-based density of states for complex actionsEmerging sampling algorithms based on normalizing flows have the potential to solve ergodicity problems in lattice calculations. Furthermore, it has been noted that flows can be used to compute…Jan M. Pawlowski, Julian M. Urban·Mar 2, 2022SaveLearn
The Schwinger function, confinement and positivity violation in pure gauge QEDThe lattice regularized pure gauge compact U(1) theory is an ideal laboratory to explore how confinement is realized as its phase diagram has a confined and a deconfined phase that depends on the…Lee C. Loveridge, Orlando Oliveira, Paulo J. Silva·Mar 1, 2022SaveLearn
Deep learning study on the Dirac eigenvalue spectrum of staggered quarksWe study the chirality of staggered quarks on the Dirac eigenvalue spectrum using deep learning (DL) techniques. The Kluberg-Stern method to construct staggered bilinear operators conserves continuum…Hwancheol Jeong, Chulwoo Jung, Seungyeob Jwa et al.·Mar 1, 2022SaveLearn
Large-charge conformal dimensions at the O(N) Wilson-Fisher fixed pointRecent work using a large-charge expansion for the O(N) Wilson-Fisher conformal field theory has shown that the anomalous dimensions of large-charge operators can be expressed in terms of a few…Hersh Singh·Feb 28, 2022SaveLearn
Nuclear force with LapH smearingThe nuclear forces are determined by combining the HAL QCD method and a new type of source smearing technique. The new smearing is a projection to a space spanned by the lowest-lying eigenvectors of…Takuya Sugiura, Yutaro Akahoshi, Tatsumi Aoyama et al.·Feb 25, 2022SaveLearn
Lattice calculation of the pion mass difference Mπ+-Mπ0 at order O(αem)We present a lattice calculation of the charged/neutral pion mass difference Mπ+-Mπ0 at order O(αem) using the gauge configurations produced by the Extended…R. Frezzotti, G. Gagliardi, V. Lubicz et al.·Feb 24, 2022SaveLearn
Flow-based sampling in the lattice Schwinger model at criticalityRecent results suggest that flow-based algorithms may provide efficient sampling of field distributions for lattice field theory applications, such as studies of quantum chromodynamics and the…Michael S. Albergo, Denis Boyda, Kyle Cranmer et al.·Feb 23, 2022SaveLearn
2021 Update on K with lattice QCD inputsWe present recent updates for K determined directly from the standard model (SM) with lattice QCD inputs such as BK, |Vcb|, |Vus|, 0, 2, LD,…Jeehun Kim, Yong-Chull Jang, Sunkyu Lee et al.·Feb 23, 2022SaveLearn
Signature of a doubly charm tetraquark pole in DD* scattering on the latticeThe doubly charm tetraquark with flavor cc u d and isospin I\!=\!0 is investigated by calculating the DD* scattering amplitude with lattice QCD. The simulation is done on CLS ensembles…M. Padmanath, S. Prelovsek·Feb 21, 2022SaveLearn
Tensor renormalization group study of (3+1)-dimensional Z2 gauge-Higgs model at finite densityWe investigate the critical endpoints of the (3+1)-dimensional Z2 gauge-Higgs model at finite density together with the (2+1)-dimensional one at zero density as a benchmark using the tensor…Shinichiro Akiyama, Yoshinobu Kuramashi·Feb 21, 2022SaveLearn