Collins-Soper kernel from lattice QCD at the physical pion massThis work presents a determination of the quark Collins-Soper kernel, which relates transverse-momentum-dependent parton distributions (TMDs) at different rapidity scales, using lattice Quantum…Artur Avkhadiev, Phiala Shanahan, Michael Wagman et al.·Jul 23, 2023SaveLearn
Gravitational form factors of the pion from lattice QCDThe two gravitational form factors of the pion, Aπ(t) and Dπ(t), are computed as functions of the momentum transfer squared t in the kinematic region 0≤ -t< 2~GeV2 on a…Daniel C. Hackett, Patrick R. Oare, Dimitra A. Pefkou et al.·Jul 21, 2023SaveLearn
Number-theory renormalization of vacuum energyFor QFT on a lattice of dimension d>=3, the vacuum energy (both bosonic and fermionic) is zero if the Hamiltonian is a function of the square of the momentum, and the calculation of the vacuum energy…M. G. Ivanov, V. A. Dudchenko, V. V. Naumov·Jul 21, 2023SaveLearn
Two-pole nature of the (1405) from lattice QCDThis letter presents the first lattice QCD computation of the coupled channel π-KN scattering amplitudes at energies near 1405\, MeV. These amplitudes contain the resonance…John Bulava, Bárbara Cid-Mora, Andrew D. Hanlon et al.·Jul 19, 2023SaveLearn
Simulating (2+1)D SU(2) Yang-Mills Lattice Gauge Theory at finite density with tensor networksWe numerically simulate a non-Abelian lattice gauge theory in two spatial dimensions, with tensor networks (TN), up to intermediate sizes (>30 matter sites) well beyond exact diagonalization. We…Giovanni Cataldi, Giuseppe Magnifico, Pietro Silvi et al.·Jul 18, 2023SaveLearn
Computing Jet Transport Coefficients On The LatticeThe leading jet transport coefficients q or e2 encode transverse or longitudinal momentum broadening of a hard parton traversing a hot medium. Understanding their temperature…Amit Kumar, Abhijit Majumder, Ismail Soudi et al.·Jul 17, 2023SaveLearn
Deconfinement, Center Symmetry and the Ghost Propagator in Landau Gauge Pure SU(3) Yang-Mills TheoryThe temperature dependence of the Landau gauge ghost propagator is investigated in pure SU(3) Yang-Mills theory with lattice QCD simulations. Its behavior around the confined-deconfined phase…V\'{\I}tor Paiva, Paulo J. Silva, Orlando Oliveira·Jul 17, 2023SaveLearn
Magnetic polarizability of a charged pion from four-point functions in lattice QCDElectromagnetic dipole polarizabilities are fundamental properties of a hadron that represent its resistance to deformation under external fields. For a charged hadron, the presence of acceleration…Frank X. Lee, Walter Wilcox, Andrei Alexandru et al.·Jul 17, 2023SaveLearn
The Compton amplitude and nucleon structure functions in lattice QCDThe structure of hadrons relevant for deep-inelastic scattering are completely characterised by the Compton amplitude. A direct calculation of the Compton amplitude in a lattice QCD setup provides a…K. U. Can, M. Batelaan, A. Hannaford-Gunn et al.·Jul 15, 2023SaveLearn
Physical-Continuum Limit of the Nucleon Gluon Parton Distribution from Lattice QCDWe present the key results from the first study of the x-dependent nucleon gluon distribution from lattice QCD extrapolated to the physical-continuum limit. We use ensembles with 2+1+1 flavors of…William Good, Zhouyou Fan, Huey-Wen Lin·Jul 13, 2023SaveLearn
Lattice gauge theories in the strong coupling and static limits as a sign-problem-free Ising modelThe effective action of the SU(N) Polyakov loop model in the strong coupling region and in the static limit for the quark determinant can be mapped onto the Ising model in any dimensions, with the…B. Allés, O. Borisenko, A. Papa et al.·Jul 13, 2023SaveLearn
Disorder operators and magnetic vortices in SU(N) lattice gauge theoryWe construct the most general disorder operator for SU(N) lattice gauge theory in (2+1) dimension by using exact duality transformations. These disorder operators, defined on the plaquettes and…Manu Mathur, Atul Rathor·Jul 12, 2023SaveLearn
QCD on Rotating Lattice with Staggered FermionsWe investigate the finite-temperature quantum chromodynamics (QCD) on a rotating lattice with Nf=2+1 staggered fermions and the projective plane boundary condition. We observe a negative…Ji-Chong Yang, Xu-Guang Huang·Jul 11, 2023SaveLearn
φ4 lattice model with cubic symmetry in three dimensions: RG-flow and first order phase transitionsWe study the 3-component φ4 model on the simple cubic lattice in presence of a cubic perturbation. To this end, we perform Monte Carlo simulations in conjunction with a finite size scaling…Martin Hasenbusch·Jul 11, 2023SaveLearn
Quantum Simulation of Lattice QCD with Improved HamiltoniansQuantum simulations of lattice gauge theories are anticipated to directly probe the real time dynamics of QCD, but scale unfavorably with the required truncation of the gauge fields. Improved…Anthony N. Ciavarella·Jul 10, 2023SaveLearn
Parallel Tempered Metadynamics: Overcoming potential barriers without surfing or tunnelingAt fine lattice spacings, Markov chain Monte Carlo simulations of QCD and other gauge theories with or without fermions are plagued by slow modes that give rise to large autocorrelation times. This…Timo Eichhorn, Gianluca Fuwa, Christian Hoelbling et al.·Jul 10, 2023SaveLearn
Asymptotic Freedom at the Berezinskii-Kosterlitz-Thouless Transition without Fine-Tuning Using a Qubit RegularizationWe propose a two-dimensional hard-core loop-gas model as a way to regularize the asymptotically free massive continuum quantum field theory that emerges at the Berezinskii-Kosterlitz-Thouless…Sandip Maiti, Debasish Banerjee, Shailesh Chandrasekharan et al.·Jul 8, 2023SaveLearn
Pad\'e and Pad\'e-Laplace Methods for masses and matrix elementsThe problem of having to reconstruct the decay rates and corresponding amplitudes of the single-exponential components of a noisy multi-exponential signal is common in many other areas of physics and…Georg M. von Hippel·Jul 7, 2023SaveLearn
Sampling the lattice Nambu-Goto string using Continuous Normalizing FlowsEffective String Theory (EST) represents a powerful non-perturbative approach to describe confinement in Yang-Mills theory that models the confining flux tube as a thin vibrating string. EST…Michele Caselle, Elia Cellini, Alessandro Nada·Jul 3, 2023SaveLearn
Dilaton chiral perturbation theory at next-to-leading orderWe apply dilaton chiral perturbation theory (dChPT) at next-to-leading order to lattice data from the LatKMI collaboration for the eight-flavor SU(3) gauge theory. In previous work, we found that…Andrew Freeman, Maarten Golterman, Yigal Shamir·Jul 3, 2023SaveLearn
Teaching to extract spectral densities from lattice correlators to a broad audience of learning-machinesWe present a new supervised deep-learning approach to the problem of the extraction of smeared spectral densities from Euclidean lattice correlators. A distinctive feature of our method is a…Michele Buzzicotti, Alessandro De Santis, Nazario Tantalo·Jul 3, 2023SaveLearn
Calorons, monopoles and stable, charged solitonsWe discuss the similarity of the constituent monopoles of calorons and stable topological solitons with long range Coulombic interaction, classical solutions of the model of topological particles. In…Manfried Faber·Jun 30, 2023SaveLearn
Moments of Parton Distributions Functions from Lattice QCD at the Physical PointWe present a Lattice QCD calculation of the second Mellin moments of the nucleon axial, vector and tensor parton distribution functions (PDFs). The calculation is performed at the physical pion mass…Marcel Rodekamp, Michael Engelhardt, Jeremy R. Green et al.·Jun 26, 2023SaveLearn
Bulk-preventing actions for SU(N) gauge theoriesLattice gauge field theories may suffer from unphysical "bulk" phase transitions at strong lattice gauge coupling. We introduce a one-parameter family of lattice SU(N) gauge actions which, when used…Tobias Rindlisbacher, Kari Rummukainen, Ahmed Salami·Jun 25, 2023SaveLearn
Decays of 1-+ Charmoniumlike HybridBy extracting the transition amplitudes, we give the first lattice QCD prediction of the two-body decay partial widths of the 1-+ charmoniumlike hybrid ηc1. Given the calculated mass…Chunjiang Shi, Ying Chen, Ming Gong et al.·Jun 22, 2023SaveLearn