The chiral condensate at large NWe present results for the large-N limit of the chiral condensate computed from twisted reduced models. We followed a two-fold strategy, one constiting in extracting the condensate from the…Claudio Bonanno, Pietro Butti, Margarita García Peréz et al.·Nov 6, 2023SaveLearn
Coupled-channel cK+-pDs Interaction in Flavor SU(3) Limit of Lattice QCDWe study S-wave interactions in the I(Jp)=1/2(1/2-) cK+-pDs system on the basis of the coupled-channel HAL QCD method. The potentials which are…Faisal Etminan, Kenji Sasaki, Takashi Inoue·Nov 5, 2023SaveLearn
Lattice Regularization of Reduced K\"ahler-Dirac Fermions and Connections to Chiral FermionsWe show how a path integral for reduced K\"ahler-Dirac fermions suffers from a phase ambiguity associated with the fermion measure that is an analog of the measure problem seen for chiral fermions.…Simon Catterall·Nov 4, 2023SaveLearn
Quark Mass Dependence of Heavy Quark Diffusion Coefficient from Lattice QCDWe present the first study of the quark mass dependence of the heavy quark momentum and spatial diffusion coefficients using lattice QCD with light dynamical quarks corresponding to a pion mass of…Luis Altenkort, David de la Cruz, Olaf Kaczmarek et al.·Nov 2, 2023SaveLearn
Lattice QCD Constraints on the Fourth Mellin Moment of the Pion Light Cone Distribution Amplitude using the HOPE methodThe light-cone distribution amplitude (LCDA) of the pion contains information about the parton momentum carried by the quarks and is an important theoretical input for various predictions of…William Detmold, Anthony V. Grebe, Issaku Kanamori et al.·Nov 2, 2023SaveLearn
The Operator Product Expansion for Radial Lattice Quantization of 3D φ4 TheoryAt its critical point, the three-dimensional lattice Ising model is described by a conformal field theory (CFT), the 3d Ising CFT. Instead of carrying out simulations on Euclidean lattices, we use…Venkitesh Ayyar, Richard C. Brower, George T. Fleming et al.·Nov 2, 2023SaveLearn
Coordinate-space calculation of QED corrections to the hadronic vacuum polarization contribution to (g-2)μAs several lattice collaborations agree on the result for the window quantity of the hadronic vacuum polarization (HVP) contribution to (g-2)μ, whilst being in tension with the calculation using…En-Hung Chao, Harvey B. Meyer, Julian Parrino·Oct 31, 2023SaveLearn
Supersymmetric QCD on the Lattice: Fine-Tuning of the Yukawa CouplingsWe determine the fine-tuning of the Yukawa couplings of supersymmetric QCD, discretized on a lattice. We use perturbation theory at one-loop level. The Modified Minimal Subtraction scheme…Marios Costa, Herodotos Herodotou·Oct 31, 2023SaveLearn
Evolution of Parton Distribution Functions in the Short-Distance Factorization SchemeLattice QCD offers the possibility of computing parton distributions from first principles, although not in the usual MS factorization scheme. We study in this paper the evolution of…H. Dutrieux, J. Karpie, C. Monahan et al.·Oct 30, 2023SaveLearn
Efficient vacuum state preparation for quantum simulation of strongly interacting local quantum field theoriesWe present an efficient approach for preparing ground states in the context of strongly interacting local quantum field theories on quantum computers. The approach produces the vacuum state in a time…Thomas D. Cohen, Hyunwoo Oh·Oct 30, 2023SaveLearn
Transversity PDFs of the proton from lattice QCD with physical quark massesWe present a lattice QCD calculation of the transversity isovector- and isoscalar-quark parton distribution functions (PDFs) of the proton utilizing a perturbative matching at next-to-leading-order…Xiang Gao, Andrew D. Hanlon, Swagato Mukherjee et al.·Oct 29, 2023SaveLearn
T-matrix Analysis of Static Wilson Line Correlators from Lattice QCD at Finite TemperatureWe utilize a previously constructed thermodynamic T-matrix approach to the quark-gluon plasma (QGP) to calculate Wilson line correlators (WLCs) of a static quark-antiquark pair and apply them to…Zhanduo Tang, Swagato Mukherjee, Peter Petreczky et al.·Oct 29, 2023SaveLearn
Hamiltonian formulation of the RS model and field mixingWhile neutrino oscillations have led to attention and research on field mixing arising from quadratic interactions, the field mixing inherent in clothed particles is more fundamental, serving as a…Qi Chen, Kaixun Tu, Qing Wang·Oct 28, 2023SaveLearn
Using Gradient Flow to Renormalise Matrix Elements for Meson Mixing and LifetimesNeutral meson mixing and meson lifetimes are theory-side parametrised in terms four-quark operators which can be determined by calculating weak decay matrix elements using lattice Quantum…Matthew Black, Robert Harlander, Fabian Lange et al.·Oct 27, 2023SaveLearn
Exact lattice chiral symmetry in 2d gauge theoryWe construct symmetry-preserving lattice regularizations of 2d QED with one and two flavors of Dirac fermions, as well as the `3450' chiral gauge theory, by leveraging bosonization and…Evan Berkowitz, Aleksey Cherman, Theodore Jacobson·Oct 26, 2023SaveLearn
Comparison with model-independent and dependent analyses for pion charge radiusTraditionally, there has been a method to extract the charge radius of a hadron based on the fits of its form factor with some model assumptions. In contrast, a completely different method has been…Kohei Sato, Hiromasa Watanabe, Takeshi Yamazaki·Oct 25, 2023SaveLearn
On the prediction of spectral densities from Lattice QCDHadronic spectral densities play a pivotal role in particle physics, a prime example being the R-ratio defined from electron-positron scattering into hadrons. To predict them from first principles…Mattia Bruno, Leonardo Giusti, Matteo Saccardi·Oct 24, 2023SaveLearn
Pseudo-scalar meson spectral properties in the chiral crossover region of QCDDetermining the type of excitations that can exist in a thermal medium is key to understanding how hadronic matter behaves at extreme temperatures. In this work we study this question for…Dibyendu Bala, Olaf Kaczmarek, Peter Lowdon et al.·Oct 20, 2023SaveLearn
The magnetized Gross-Neveu model at finite chemical potentialWe study the (2+1)-dimensional Gross-Neveu model at non-zero chemical potential and subjected to a homogeneous background magnetic field. We do so both analytically, in the limit of an infinite…Michael Mandl, Julian J. Lenz·Oct 20, 2023SaveLearn
Structure-dependent electromagnetic finite-volume effects through order 1/L3We consider electromagnetic finite-volume effects through order 1/L3 in different formulations of QED, where L is the periodicity of the spatial volume. An inherent problem at this order is the…Matteo Di Carlo, Maxwell T. Hansen, Nils Hermansson-Truedsson et al.·Oct 20, 2023SaveLearn
Equivariant Transformer is all you needMachine learning, deep learning, has been accelerating computational physics, which has been used to simulate systems on a lattice. Equivariance is essential to simulate a physical system because it…Akio Tomiya, Yuki Nagai·Oct 20, 2023SaveLearn
Generalized Parton Distributions from Lattice QCD with Asymmetric Momentum Transfer: Axial-vector caseRecently, we made significant advancements in improving the computational efficiency of lattice QCD calculations for Generalized Parton Distributions (GPDs). This progress was achieved by adopting…Shohini Bhattacharya, Krzysztof Cichy, Martha Constantinou et al.·Oct 19, 2023SaveLearn
The Gluon Moment and Parton Distribution Function of the Pion from Nf = 2 + 1 + 1 Lattice QCDWe present the first calculation of the pion gluon moment from lattice QCD in the continuum-physical limit. The calculation is done using clover fermions for the valence action with three pion…William Good, Kinza Hasan, Allison Chevis et al.·Oct 18, 2023SaveLearn
Out-of-equilibrium simulations to fight topological freezingCalculations of topological observables in lattice gauge theories with traditional Monte Carlo algorithms have long been known to be a difficult task, owing to the effects of long autocorrelations…Claudio Bonanno, Alessandro Nada, Davide Vadacchino·Oct 18, 2023SaveLearn
Pion Valence-Quark Generalized Parton Distribution at Physical Pion MassWe present the first lattice-QCD x-dependent pion valence-quark generalized parton distribution (GPD) calculated directly at physical pion mass using the Large-Momentum Effective Theory (LaMET)…Huey-Wen Lin·Oct 16, 2023SaveLearn