Modified Abelian and SU(2) Wilson theories on a lattice from a non-compact regularizationMultiflavor gauge theories of matter systems on a three-dimensional lattice have recently been widely investigated especially in connection with a possible symmetry enlargement at a continuous phase…D. Babusci, F. Palumbo·Jul 18, 2024SaveLearn
Fermion determinants on a quantum computerWe present a quantum algorithm to compute the logarithm of the determinant of the fermion matrix, assuming access to a classical lattice gauge field configuration. The algorithm uses the quantum…George T. Fleming, Prasanth Shyamsundar, Judah Unmuth-Yockey·Jul 18, 2024SaveLearn
DMRG study of the theta-dependent mass spectrum in the 2-flavor Schwinger modelWe study the θ-dependent mass spectrum of the massive 2-flavor Schwinger model in the Hamiltonian formalism using the density-matrix renormalization group(DMRG). The masses of the composite…Etsuko Itou, Akira Matsumoto, Yuya Tanizaki·Jul 16, 2024SaveLearn
Dynamical quantum phase transition and thermal equilibrium in the lattice Thirring modelUsing tensor network methods, we simulate the real-time evolution of the lattice Thirring model quenched out of equilibrium in both the critical and massive phases and study the appearance of…Mari Carmen Bañuls, Krzysztof Cichy, Hao-Ti Hung et al.·Jul 16, 2024SaveLearn
Hybrid calculation of hadronic vacuum polarization in muon g-2 to 0.48\%We present a new lattice QCD calculation of the leading order hadronic vacuum polarization (LO-HVP) contribution to the muon anomalous magnetic moment aμ. We reduce uncertainties compared to our…A. Boccaletti, Sz. Borsanyi, A. Cotellucci et al.·Jul 15, 2024SaveLearn
Non-perturbative Collins-Soper kernel: Chiral quarks and Coulomb-gauge-fixed quasi-TMDWe present the first lattice QCD calculation of the rapidity anomalous dimension of transverse-momentum-dependent distributions (TMDs), i.e. the Collins-Soper (CS) kernel, employing the recently…Swagato Mukherjee, Dennis Bollweg, Xiang Gao et al.·Jul 15, 2024SaveLearn
Confining strings in three-dimensional gauge theories beyond the Nambu--Got\=o approximationWe carry out a systematic study of the effective bosonic string describing confining flux tubes in SU(N) Yang--Mills theories in three spacetime dimensions. While their low-energy…Michele Caselle, Nicodemo Magnoli, Alessandro Nada et al.·Jul 15, 2024SaveLearn
Tensor renormalization group study of (1+1)-dimensional U(1) gauge-Higgs model at θ=π with L\"uscher's admissibility conditionWe investigate the phase structure of the (1+1)-dimensional U(1) gauge-Higgs model with a θ term, where the U(1) gauge action is constructed with L\"uscher's admissibility condition. Using the…Shinichiro Akiyama, Yoshinobu Kuramashi·Jul 15, 2024SaveLearn
Strangeness-Correlations on the pseudo-critical line in (2+1)-flavor QCDWe present some lattice QCD results on first (1i) and second (2i) cumulants of and correlations (11ij) among net baryon-number (B), strangeness (S) and electric charge…D. Bollweg, H. -T. Ding, J. Goswami et al.·Jul 12, 2024SaveLearn
Phase Diagram of the Schwinger Model by Adiabatic Preparation of States on a Quantum SimulatorWe argue the feasibility to study the phase structure of a quantum physical system on quantum devices via adiabatic preparation of states. We introduce a novel method and successfully test it in…Oleg Kaikov, Theo Saporiti, Vasily Sazonov et al.·Jul 12, 2024SaveLearn
High-precision analysis of the critical point in heavy-quark QCD at Nt=6Binder-cumulant analysis of the critical point in the heavy-quark region of QCD is performed by Monte-Carlo simulations with the hopping-parameter expansion at Nt=6. We extend our previous…Ryo Ashikawa, Masakiyo Kitazawa, Shinji Ejiri et al.·Jul 12, 2024SaveLearn
Improved analysis of strong-interaction-stable doubly-bottom tetraquarks on the latticeWe update earlier lattice results for the binding energies of the flavor antitriplet of strong-interaction-stable doubly bottom, JP=1+ tetraquarks, employing an extended sink construction which…B. Colquhoun, A. Francis, R. J. Hudspith et al.·Jul 11, 2024SaveLearn
Extending DD-αAMG on heterogeneous machinesMultigrid solvers are the standard in modern scientific computing simulations. Domain Decomposition Aggregation-Based Algebraic Multigrid, also known as the DD-αAMG solver, is a successful…Gustavo Ramirez-Hidalgo, Lianhua He, Ke-Long Zhang·Jul 10, 2024SaveLearn
QCD with (2+1) flavors at the physical point in external chromomagnetic fieldsWe investigate full QCD with (2+1)-flavour of HISQ fermions at the physical point in the presence of uniform Abelian chromomagnetic background fields. Our focus is on the renormalized light and…Paolo Cea, Leonardo Cosmai·Jul 9, 2024SaveLearn
Disordered Lattice Glass φ4 Quantum Field TheoryWe study numerically the three-dimensional φ4 spin glass, a prototypical disordered and discretized Euclidean field theory that manifests inhomogeneities in space and time but considers a…Dimitrios Bachtis·Jul 9, 2024SaveLearn
Spectral densities from Euclidean lattice correlators via the Mellin transformSpectral densities connect correlation functions computed in quantum field theory to observables measured in experiments. For strongly-interacting theories, their non-perturbative determinations from…Mattia Bruno, Leonardo Giusti, Matteo Saccardi·Jul 4, 2024SaveLearn
Charm physics with overlap fermions on 2+1-flavor domain wall fermion configurationsDecay constants of pseudoscalar mesons D, Ds, ηc and vector mesons D*, Ds*, J/ are determined from Nf=2+1 lattice QCD at a lattice spacing a0.08 fm. For vector…Donghao Li, Ying Chen, Ming Gong et al.·Jul 4, 2024SaveLearn
Three-dimensional Imaging of Pion using Lattice QCD: Generalized Parton DistributionsIn this work, we report a lattice calculation of x-dependent valence pion generalized parton distributions (GPDs) at zero skewness with multiple values of the momentum transfer -t. The…Heng-Tong Ding, Xiang Gao, Swagato Mukherjee et al.·Jul 3, 2024SaveLearn
Tensor Networks for Lattice Gauge Theories beyond one dimension: a RoadmapTensor network methods are a class of numerical tools and algorithms to study many-body quantum systems in and out of equilibrium, based on tailored variational wave functions. They have found…Giuseppe Magnifico, Giovanni Cataldi, Marco Rigobello et al.·Jul 3, 2024SaveLearn
Scattering Amplitudes from Euclidean Correlators: Haag-Ruelle theory and approximation formulaeIn this work we provide a non-perturbative solution to the theoretical problem of extracting scattering amplitudes from Euclidean correlators in infinite volume. We work within the solid axiomatic…Agostino Patella, Nazario Tantalo·Jul 2, 2024SaveLearn
Hot QCD matter around the chiral crossover: a lattice study with O(a)-improved Wilson fermionsUsing lattice QCD simulations with O(a)-improved Wilson quarks and physical up, down and strange quark masses, we investigate the properties of thermal QCD matter at the temperatures…Ardit Krasniqi, Marco Cè, Renwick J. Hudspith et al.·Jul 1, 2024SaveLearn
Magnetic Polarisability of Octet Baryons via Lattice QCDDrawing on recent advances in lattice-QCD background-field techniques, the magnetic polarisability of octet baryons is calculated from the first principles of QCD. The results are presented in the…Thomas Kabelitz, Ryan Bignell, Waseem Kamleh et al.·Jul 1, 2024SaveLearn
The Ising Model on S2We define a 2-dimensional Ising model on a triangulated sphere, S2, designed to approach the exact conformal field theory (CFT) in the continuum limit. Surprisingly, the derivation leads…Richard C. Brower, Evan K. Owen·Jun 29, 2024SaveLearn
Lattice QCD Calculation of x-dependent Meson Distribution Amplitudes at Physical Pion Mass with Threshold Logarithm ResummationWe present a lattice quantum chromodynamics (QCD) calculation of the x-dependent pion and kaon distribution amplitudes (DA) in the framework of large momentum effective theory. This calculation is…Ian Cloet, Xiang Gao, Swagato Mukherjee et al.·Jun 28, 2024SaveLearn
Lanczos, the transfer matrix, and the signal-to-noise problemThis work introduces a method for determining the energy spectrum of lattice quantum chromodynamics (LQCD) by applying the Lanczos algorithm to the transfer matrix and using a bootstrap…Michael L. Wagman·Jun 28, 2024SaveLearn