The large-N limit of the chiral condensate from twisted reduced modelsWe compute the large-N limit of the QCD chiral condensate on the lattice using twisted reduced models, and performing controlled continuum and chiral extrapolations. We perform two different…Claudio Bonanno, Pietro Butti, Margarita García Peréz et al.·Sep 27, 2023SaveLearn
Entanglement entropy from non-equilibrium lattice simulationsEntanglement entropy encodes important features of strongly interacting quantum many-body systems and gauge theories, but its analytical study is still limited to systems with high level of symmetry.…Andrea Bulgarelli, Marco Panero·Sep 27, 2023SaveLearn
Lattice QCD calculation of the invisible decay J/ → γIn this work, we present the first lattice QCD study on the invisible decay J/ → γ. The calculation is accomplished using Nf=2 twisted mass fermion ensembles. The…Yu Meng·Sep 27, 2023SaveLearn
Scalar field Restricted Boltzmann Machine as an ultraviolet regulatorRestricted Boltzmann Machines (RBMs) are well-known tools used in Machine Learning to learn probability distribution functions from data. We analyse RBMs with scalar fields on the nodes from the…Gert Aarts, Biagio Lucini, Chanju Park·Sep 26, 2023SaveLearn
Sampling Nambu-Goto theory using Normalizing FlowsEffective String Theory (EST) is a non-perturbative framework used to describe confinement in Yang-Mills theory through the modeling of the interquark potential in terms of vibrating strings. An…Michele Caselle, Elia Cellini, Alessandro Nada·Sep 26, 2023SaveLearn
Hadronic physics from a Wilson fermion mixed-action approach: Charm quark mass and D(s) meson decay constantsWe present our first set of results for charm physics, using the mixed-action setup introduced in a companion paper. Maximally twisted Wilson valence fermions are used on a sea of non-perturbatively…Andrea Bussone, Alessandro Conigli, Julien Frison et al.·Sep 25, 2023SaveLearn
Charmonium c0 and c2 resonances in coupled-channel scattering from lattice QCDIn order to explore the spectrum of hidden-charm scalar and tensor resonances, we study meson-meson scattering with JPC=0++, 2++ in the charmonium energy region using lattice QCD.…David J. Wilson, Christopher E. Thomas, Jozef J. Dudek et al.·Sep 25, 2023SaveLearn
Scalar and tensor charmonium resonances in coupled-channel scattering from QCDWe determine JPC=0++ and 2++ hadron-hadron scattering amplitudes in the charmonium energy region up to 4100 MeV using lattice QCD, a first-principles approach to QCD. Working at…David J. Wilson, Christopher E. Thomas, Jozef J. Dudek et al.·Sep 25, 2023SaveLearn
Sphaleron rate from lattice QCDWe compute the sphaleron rate on the lattice from the inversion of the Euclidean time correlators of the topological charge density, performing also controlled continuum and zero-smoothing…Claudio Bonanno, Francesco D'Angelo, Massimo D'Elia et al.·Sep 23, 2023SaveLearn
Lattice study of the chiral properties of large Nc QCDWe present a lattice calculation of the low energy constants of QCD with Nc=3, 4 and 5 colors and Nf=2 flavors of degenerate mass fermions. We fit data for the pseudoscalar meson mass, the…Thomas DeGrand, Evan Wickenden·Sep 21, 2023SaveLearn
An improved algorithm for dynamical triangulations and simulations of finer latticesWe introduce a new algorithm for the simulation of Euclidean dynamical triangulations that mimics the Metropolis-Hastings algorithm, but where all proposed moves are accepted. This rejection-free…Mingwei Dai, Walter Freeman, Jack Laiho et al.·Sep 21, 2023SaveLearn
Reconstructing lattice QCD spectral functions with stochastic pole expansion and Nevanlinna analytic continuationThe reconstruction of spectral functions from Euclidean correlation functions is a well-known, yet ill-posed inverse problem in the fields of many-body and high-energy physics. In this paper, we…Li Huang, Shuang Liang·Sep 20, 2023SaveLearn
Chiral fermion on quantum computersQuantum computation often suffers from artificial symmetry breaking. We should strive to suppress the artifact both by theoretical and technological improvements. The theoretical formalism of the…Arata Yamamoto, Tomoya Hayata, Katsumasa Nakayama·Sep 19, 2023SaveLearn
Masses of the conjectured H-dibaryon at different temperaturesWe present a lattice QCD determination of masses of the conjectured H-dibaryon mH at nine different temperatures T/Tc =0.24, 0.63, 0.76, 0.84, 0.95, 1.09, 1.27, 1.52, 1.90. In the meantime, the…Liang-Kai Wu, Han Tang, Xin-Yang Wang et al.·Sep 19, 2023SaveLearn
Probing the photon emissivity of the quark-gluon plasma without an inverse problem in lattice QCDThe thermal photon emissivity of the quark-gluon plasma is determined by the in-medium spectral function of the electromagnetic current at lightlike kinematics, σ(ω). In this work, we…Marco Cè, Tim Harris, Ardit Krasniqi et al.·Sep 18, 2023SaveLearn
Radiative transition decay width of 2(3823)→γc1 from lattice QCDWe present an exploratory Nf=2 lattice QCD study of 2(3823) γ c1 at a pion mass mπ≈ 350~MeV. The related two-point and three-piont functions are calculated using…Ning Li, Yan Gao, Feiyu Chen et al.·Sep 18, 2023SaveLearn
Study of the effects of external imaginary electric field and chiral chemical potential on quark matterThe behavior of quark matter with both external electric field and chiral chemical potential is theoretically and experimentally interesting to consider. In this paper, the case of simultaneous…Ji-Chong Yang, Xin Zhang, Jian-Xing Chen·Sep 17, 2023SaveLearn
Dynamical chirality production in one dimensionWe discuss the quantum computation of dynamical chirality production in lattice gauge theory. Although the chirality of a lattice fermion is complicated in general dimensions, it can be simply…Tomoya Hayata, Katsumasa Nakayama, Arata Yamamoto·Sep 16, 2023SaveLearn
Generalized Ginsparg-Wilson relationsWe give a general derivation of Ginsparg-Wilson relations for both Dirac and Majorana fermions in any dimension. These relations encode continuous and discrete chiral, parity and time reversal…Michael Clancy, David B. Kaplan, Hersh Singh·Sep 15, 2023SaveLearn
Chemical potential (in)dependence of hadron scatterings in the hadronic phase of QCD-like theories and its applicationsWe formulate a method for calculating the hadron-hadron scattering amplitudes at nonzero chemical potential (μ) in the hadronic phase at zero temperature, where the baryon number symmetry remains…Kotaro Murakami, Etsuko Itou, Kei Iida·Sep 15, 2023SaveLearn
Form factors for the charm-baryon semileptonic decay c from domain-wall lattice QCDRecent experimental progress measuring the branching fractions of the heavy-baryon semileptonic decays c has stimulated theoretical interest and motivates precise lattice…Callum Farrell, Stefan Meinel·Sep 15, 2023SaveLearn
GrassmannTN: a Python package for Grassmann tensor network computationsWe present GrassmannTN, a Python package for the computation of the Grassmann tensor network. The package is built to assist in the numerical computation without the need to input the fermionic sign…Atis Yosprakob·Sep 14, 2023SaveLearn
Precision calculation of the electromagnetic radii of the proton and neutron from lattice QCDWe present lattice-QCD results for the electromagnetic form factors of the proton and neutron including both quark-connected and -disconnected contributions. The parametrization of the…Dalibor Djukanovic, Georg von Hippel, Harvey B. Meyer et al.·Sep 14, 2023SaveLearn
QCD phase diagram and equation of state in background electric fieldsThe phase diagram and the equation of state of QCD is investigated in the presence of weak background electric fields by means of continuum extrapolated lattice simulations. The complex action…Gergely Endrodi, Gergely Marko·Sep 13, 2023SaveLearn
Electromagnetic form factors of the nucleon from Nf = 2 + 1 lattice QCDThere is a long-standing discrepancy between different measurements of the electric and magnetic radii of the proton. Lattice QCD calculations are a well-suited tool for theoretical investigations of…Dalibor Djukanovic, Georg von Hippel, Harvey B. Meyer et al.·Sep 12, 2023SaveLearn