Flux tube profiles in two-color QCD at low temperature and high densityWe investigate the temperature and density dependence of the color flux tube structure of dense two-color QCD with Nf = 2 Wilson fermions by using a lattice simulation. From Refs. [1] and [2], we…Katsuya Ishiguro, Kei Iida, Etsuko Itou·Nov 25, 2021SaveLearn
Scaling region of the 3D Ising universality class in finite temperature QCDWe introduce a universal combination of susceptibility and correlation length in the 3D Ising model, depending both on temperature and external magnetic field. Starting from a parametric…Michele Caselle, Marianna Sorba·Nov 25, 2021SaveLearn
Bootstrapping Lattice VacuaThis paper demonstrates the application of semidefinite programming to lattice field theories, showcasing spin chains and lattice scalar field theory. Requiring expectation values of manifestly…Scott Lawrence·Nov 25, 2021SaveLearn
Nucleon isovector form factors from physical-mass 2+1-flavor dynamical domain-wall QCDThe current status is reported of joint lattice numerical calculations by LHP and RBC collaborations of isovector nucleon form factors using 2+1-flavor physical-mass domain-wall fermions ensemble at…Shigemi Ohta·Nov 25, 2021SaveLearn
Inclusive rates from smeared spectral densities in the two-dimensional O(3) non-linear σ-modelThis work employs the spectral reconstruction approach of Ref. [1] to determine an inclusive rate in the 1+1 dimensional O(3) non-linear σ-model, analogous to the QCD part of $e+e-…John Bulava, Maxwell T. Hansen, Michael W. Hansen et al.·Nov 24, 2021SaveLearn
Implementing the three-particle quantization condition for π+π+K+ and related systemsRecently, the formalism needed to relate the finite-volume spectrum of systems of nondegenerate spinless particles has been derived. In this work we discuss a range of issues that arise when…Tyler D. Blanton, Fernando Romero-López, Stephen R. Sharpe·Nov 24, 2021SaveLearn
One Flavour QCD as an analogue computer for SUSYWe numerically study QCD with a single quark flavour on the lattice probing predictions from effective field theories that are equivalent to minimal super-symmetric Yang-Mills theory in the large…Michele Della Morte, Benjamin Jäger, Francesco Sannino et al.·Nov 24, 2021SaveLearn
Searching for Yang-Lee zeros in O(N) modelsNear the second order phase transition point, QCD with two flavours of massless quarks can be approximated by an O(4) model, where a symmetry breaking external field H can be added to play the…Felipe Attanasio, Marc Bauer, Lukas Kades et al.·Nov 24, 2021SaveLearn
The Chiral Phase Transition in three-flavor QCD from Lattice QCDWe analyze the pseudo-critical behavior of three-flavor QCD using highly improved staggered quarks (HISQ) on lattices with temporal extent Nτ =8 and for quark masses corresponding to a…Lorenzo Dini, Prasad Hegde, Frithjof Karsch et al.·Nov 24, 2021SaveLearn
Continuum extrapolation of the gradient-flowed color-magnetic correlator at 1.5\,TcIn a recently published work we employ gradient flow on the lattice to extract the leading contribution of the heavy quark momentum diffusion coefficient in the heavy quark limit from calculations of…Luis Altenkort, Alexander M. Eller, Olaf Kaczmarek et al.·Nov 24, 2021SaveLearn
Sp(4) gauge theories and beyond the standard model physicsWe review numerical results for models with gauge group Sp(2N), discussing the glueball spectrum in the large-N limit, the quenched meson spectrum of Sp(4) with Dirac fermions in the fundamental and…Biagio Lucini, Ed Bennett, Jack Holligan et al.·Nov 23, 2021SaveLearn
Renormalization constants of quark bilinear operators in QCD with dynamical up, down, strange and charm quarksWe present preliminary results of a calculation of the QCD renormalization constants (RCs) for quark bilinear operators, evaluated non-perturbatively on the lattice in the RI'-MOM scheme. The…Matteo Di Carlo, Martha Constantinou, Petros Dimopoulos et al.·Nov 23, 2021SaveLearn
Topology of the O(3) non-linear sigma model under the gradient flowThe O(3) non-linear sigma model (NLSM) is a prototypical field theory for QCD and ferromagnetism, and provides a simple system in which to study topological effects. In lattice QCD, the gradient flow…Stuart Yi-Thomas, Christopher Monahan·Nov 23, 2021SaveLearn
Glueballs at Physical Pion MassWe study glueballs on two Nf=2+1 RBC/UKQCD gauge ensembles with physical quark masses at two lattice spacings. The statistical uncertainties of the glueball correlation functions are considerably…Feiyu Chen, Xiangyu Jiang, Ying Chen et al.·Nov 23, 2021SaveLearn
Chiral fermion on curved domain-wallWe consider a massive fermion system having a curved domain-wall embedded in a square lattice. In a similar way to the conventional flat domain-wall fermion, chiral massless modes appear at the…Shoto Aoki, Hidenori Fukaya·Nov 23, 2021SaveLearn
On the Extraction of Low-energy Constants of Single- and Double-β Decays from Lattice QCD: A Sensitivity AnalysisLattice quantum chromodynamics (LQCD) has the promise of constraining low-energy constants (LECs) of nuclear effective field theories (EFTs) from first-principles calculations that incorporate the…Zohreh Davoudi, Saurabh V. Kadam·Nov 23, 2021SaveLearn
Master-field simulations of QCDWe report on the first master-field simulations of QCD with 2+1 dynamical quark flavours using non-perturbatively improved stabilised Wilson fermions. Our simulations are performed at a lattice…P. Fritzsch, J. Bulava, M. Cè et al.·Nov 22, 2021SaveLearn
H dibaryon away from the SU(3)f symmetric pointWe present the current status of our efforts in search of H dibaryon on Nf=2+1 CLS ensembles away from the SU(3) flavor symmetric point. Utilizing the distillation framework (also known as…M. Padmanath, John Bulava, Jeremy R. Green et al.·Nov 22, 2021SaveLearn
One-loop matching for quark dipole operators in a gradient-flow schemeThe quark chromoelectric dipole (qCEDM) operator is a CP-violating operator describing, at hadronic energies, beyond-the-standard-model contributions to the electric dipole moment of particles with…Emanuele Mereghetti, Christopher J. Monahan, Matthew D. Rizik et al.·Nov 22, 2021SaveLearn
Machine Learning of Thermodynamic Observables in the Presence of Mode CollapseEstimating the free energy, as well as other thermodynamic observables, is a key task in lattice field theories. Recently, it has been pointed out that deep generative models can be used in this…Kim A. Nicoli, Christopher Anders, Lena Funcke et al.·Nov 22, 2021SaveLearn
BSM B - B mixing on JLQCD and RBC/UKQCD Nf=2+1 DWF ensemblesWe are presenting our ongoing Lattice QCD study on B - B mixing on several RBC/UKQCD and JLQCD ensembles with 2+1 dynamical-flavour domain-wall fermions, including physical-pion-mass…Peter Boyle, Luigi Del Debbio, Felix Erben et al.·Nov 22, 2021SaveLearn
Phase diagram of QCD in a magnetic backgroundWe provide numerical evidence that the thermal QCD crossover turns into a first order transition in the presence of large enough magnetic background fields. The critical endpoint is found to be…Massimo D'Elia, Lorenzo Maio, Francesco Sanfilippo et al.·Nov 22, 2021SaveLearn
Effective Field Theories and Lattice QCD for the X Y Z frontierExotic states have been predicted before and after the advent of QCD. In the last decades they have been observed at accelerator experiments in the sector with two heavy quarks, at or above the…Nora Brambilla·Nov 21, 2021SaveLearn
Lattice QCD at nonzero temperature and densityWe discuss some selected recent developments in the field of lattice QCD at nonzero temperature and density, describing in particular the transition from the hadronic gas to the quark-gluon plasma,…G. Aarts, C. Allton, S. Hands et al.·Nov 21, 2021SaveLearn
HotQCD on Multi-GPU SystemsWe present SIMULATeQCD, HotQCD's software for performing lattice QCD calculations on GPUs. Started in late 2017 and intended as a full replacement of the previous single GPU lattice QCD…Luis Altenkort, Dennis Bollweg, David Anthony Clarke et al.·Nov 19, 2021SaveLearn