Nature of the a1 meson in lattice quantum chromodynamics studied with chiral fermionsWe study the a1 meson using a quenched lattice quantum chromodynamics simulation with the truncated overlap fermions formalism based on the domain wall fermions. The obtained lightest mass of the…Yuko Murakami, Shin Muroya, Atsushi Nakamura et al.·Dec 19, 2018SaveLearn
Update on B D form factor at zero-recoil using the Oktay-Kronfeld actionWe present an update on the calculation of B D semileptonic form factor at zero recoil using the Oktay-Kronfeld bottom and charm quarks on Nf=2+1+1 flavor HISQ…Tanmoy Bhattacharya, Rajan Gupta, Sungwoo Park et al.·Dec 18, 2018SaveLearn
Solving Gauss's Law on Digital Quantum Computers with Loop-String-Hadron DigitizationWe show that using the loop-string-hadron (LSH) formulation of SU(2) lattice gauge theory (arXiv:1912.06133) as a basis for digital quantum computation easily solves an important problem of…Indrakshi Raychowdhury, Jesse R. Stryker·Dec 18, 2018SaveLearn
Hyperons in thermal QCD: A lattice viewThe hadron resonance gas (HRG) is a widely used description of matter under extreme conditions, e.g. in the context of heavy-ion phenomenology. Commonly used implementations of the HRG employ vacuum…Gert Aarts, Chris Allton, Davide De Boni et al.·Dec 18, 2018SaveLearn
Split Grid and Block Lanczos Algorithm for Efficient Eigenpair GenerationThe increasing imbalance between the computing capabilities of individual nodes and the internode bandwidth makes it highly desirable for any Lattice QCD algorithm to minimize the amount of internode…Yong-Chull Jang, Chulwoo Jung·Dec 17, 2018SaveLearn
Monopole Dominance of Confinement in SU(3) Lattice QCDTo check the dual superconductor picture for the quark-confinement mechanism, we evaluate monopole dominance as well as Abelian dominance of quark confinement for both quark-antiquark and three-quark…Hideo Suganuma, Naoyuki Sakumichi·Dec 17, 2018SaveLearn
Charmonium resonances from 2+1 flavor CLS latticesMany exotic charmonium resonances have been identified recently in experiment, however their nature and properties are mostly unknown. Algorithmic and theoretical progress in lattice calculations has…Sara Collins, Daniel Mohler, M. Padmanath et al.·Dec 17, 2018SaveLearn
Supersymmetric QCD: Renormalization and Mixing of Composite OperatorsWe study 4-dimensional SQCD with gauge group SU(Nc) and Nf flavors of chiral super-multiplets on the lattice. We perform extensive calculations of matrix elements and renormalization factors…M. Costa, H. Panagopoulos·Dec 17, 2018SaveLearn
Axial U(1) symmetry and Dirac spectra in high-temperature phase of Nf=2 lattice QCDThe axial U(1) symmetry in the high-temperature phase is investigated with Nf = 2 lattice QCD simulations. The gauge ensembles are generated with Möbius domain-wall fermions, and the…Kei Suzuki, Sinya Aoki, Yasumichi Aoki et al.·Dec 17, 2018SaveLearn
Thermodynamics in quenched QCD: energy--momentum tensor with two-loop order coefficients in the gradient flow formalismRecently, Harlander et al.\ [Eur.\ Phys.\ J.\ C 78, 944 (2018)] have computed the two-loop order (i.e., NNLO) coefficients in the gradient-flow representation of the energy--momentum tensor…Takumi Iritani, Masakiyo Kitazawa, Hiroshi Suzuki et al.·Dec 16, 2018SaveLearn
Neutron Electric Dipole Moment from Beyond the Standard ModelWe present an update on our calculations of the matrix elements of the CP violating quark and gluon chromo-EDM operators, as well as the operators these mix with, such as the QCD Theta-term. Their…Tanmoy Bhattacharya, Boram Yoon, Rajan Gupta et al.·Dec 15, 2018SaveLearn
Nucleon in a periodic magnetic field: Finite-volume aspectsThe paper presents an extension and a refinement of our previous work on the extraction of the doubly virtual forward Compton scattering amplitude on the lattice by using the background field…Andria Agadjanov, Ulf-G. Meißner, Akaki Rusetsky·Dec 14, 2018SaveLearn
Confinement/deconfinement phase transition in SU(3) Yang-Mills theory and non-Abelian dual Meissner effectThe dual superconductivity is a promising mechanism of quark confinement. In the preceding works, we have given a non-Abelian dual superconductivity picture for quark confinement, and demonstrated…Akihiro Shibata, Seikou Kato, Kei-Ichi Kondo·Dec 14, 2018SaveLearn
SU(N) polynomial integrals and some applicationsWe use the method of the Weingarten functions to evaluate SU(N) integrals of the polynomial type. As an application we calculate various one-link integrals for lattice gauge and spin SU(N) theories.O. Borisenko, S. Voloshyn, V. Chelnokov·Dec 14, 2018SaveLearn
Correct way to extract dominant part of the Wilson loop in higher representationsThe Abelian dominance for the string tension was shown for the fundamental sources in MA gauge in the lattice simulations. For higher representations, however, it is also known that the naive…Ryutaro Matsudo, Akihiro Shibata, Seikou Kato et al.·Dec 14, 2018SaveLearn
Confinement of quarks in higher representations in view of dual superconductivityDual superconductor picture is one of the most promising scenarios for quark confinement. We have proposed a new formulation of Yang-Mills theory on the lattice so that the so-called restricted field…Akihiro Shibata, Ryutaro Matsudo, Seikou Kato et al.·Dec 14, 2018SaveLearn
Numerical Implementation of Gauge-Fixed Fourier AccelerationIn hybrid Monte Carlo evolution, by imposing a physical gauge condition, simple Fourier acceleration can be used to generate conjugate momenta and potentially reduce critical slowing down. This…Yidi Zhao·Dec 14, 2018SaveLearn
Three-quark potentials in an SU(3) effective Polyakov loop modelThree-quark potentials are studied in great details in the three-dimensional SU(3) pure gauge theory at finite temperature, for the cases of static sources in the fundamental and adjoint…O. Borisenko, V. Chelnokov, Emanuele Mendicelli et al.·Dec 13, 2018SaveLearn
First results for charm physics with a tmQCD valence actionWe present preliminary results in the charm sector from a mixed-action setup, in which CLS Nf=2+1 ensembles are combined with a Wilson twisted mass valence action. We study the continuum and…Andrea Bussone, Gregorio Herdoíza, Carlos Pena et al.·Dec 13, 2018SaveLearn
Results for the mass difference between the long- and short- lived K mesons for physical quark massesThe two neutral kaon states in nature, the KL (long-lived) and KS (short-lived) mesons, are the two time-evolution eigenstates of the K0 - K0 mixing system. The prediction of…Bigeng Wang·Dec 13, 2018SaveLearn
Fourier acceleration, the HMC algorithm and renormalizabilityThe analysis developed by Lüscher and Schaefer of the Hybrid Monte Carlo (HMC) algorithm is extended to include Fourier acceleration. We show for the ϕ4 theory that Fourier acceleration…Norman H. Christ, Evan W. Wickenden·Dec 13, 2018SaveLearn
Beyond the Standard Model Kaon Mixing with Physical MassesWe present results from a calculation of beyond the standard model (BSM) kaon mixing including data physical with light quark masses. We simulate Nf=2+1 QCD with Iwasaki gauge and domain wall…Peter Boyle, Nicolas Garron, Renwick James Hudspith et al.·Dec 12, 2018SaveLearn
Few-body physics on a space-time lattice in the worldline approachWe formulate the physics of two species of non-relativistic hard-core bosons with attractive or repulsive delta function interactions on a space-time lattice in the worldline approach. We show that…Hersh Singh, Shailesh Chandrasekharan·Dec 12, 2018SaveLearn
Lattice study of Rényi entanglement entropy in SU(Nc) lattice Yang-Mills theory with Nc = 2, 3, 4We consider the second Rényi entropy S(2) in pure lattice gauge theory with SU(2), SU(3) and SU(4) gauge groups, which serves as a first approximation for the entanglement entropy and the…Andreas Rabenstein, Norbert Bodendorfer, Pavel Buividovich et al.·Dec 11, 2018SaveLearn
Pion structure from Lattice QCDWe present preliminary study of parton distribution inside the pion using mixed action approach with HYP smeared valence clover quarks on HISQ sea within the framework of Large Momentum Effective…Peter Petreczky, Taku Izubuchi, Luchang Jin et al.·Dec 11, 2018SaveLearn