Lattice QCD calculation of the Ds* radiative decay with (2+1)-flavor Wilson-clover ensemblesWe perform a lattice calculation on the radiative decay of Ds* using the (2+1)-flavor Wilson-clover gauge ensembles generated by CLQCD collaboration. A method allowing us to calculate the form…Yu Meng, Jin-Long Dang, Chuan Liu et al.·Jan 24, 2024SaveLearn
Riemannian Manifold HMC with fermionsWe report on our study of the Riemannian Manifold HMC (RMHMC) algorithm with the mass term for the gauge momenta replaced by rational functions of the gauge covariant Laplace operator. A comparison…Chulwoo Jung, Norman H. Christ·Jan 24, 2024SaveLearn
Four Gluon Vertex from Lattice QCDA lattice QCD calculation for the four gluon one-particle irreducible Green function in the Landau gauge is discussed. Results for some of the associated form factors are reported for kinematical…Manuel Colaço, Orlando Oliveira, Paulo J. Silva·Jan 22, 2024SaveLearn
Hadronic vacuum polarization in the muon g-2: The short-distance contribution from lattice QCDWe present results for the short-distance window observable of the hadronic vacuum polarization contribution to the muon g-2, computed via the time-momentum representation (TMR) in lattice QCD. A…Simon Kuberski, Marco Cè, Georg von Hippel et al.·Jan 22, 2024SaveLearn
NSPT for O(N) non-linear sigma model: the larger N the betterThe O(N) non-linear sigma model (NLSM) is an example of field theory on a target space with nontrivial geometry. One interesting feature of NLSM is asymptotic freedom, which makes perturbative…Paolo Baglioni, Francesco Di Renzo·Jan 22, 2024SaveLearn
Microscopic Origin of Criticality at Macroscale in QCD Chiral Phase TransitionWe reveal that the criticality of the chiral phase transition in QCD at the macroscale arises from the microscopic energy levels of its fundamental constituents, the quarks. We establish a novel…Heng-Tong Ding, Wei-Ping Huang, Swagato Mukherjee et al.·Jan 22, 2024SaveLearn
Determination of the Gradient Flow Scale t0 from a Mixed Action with Wilson Twisted Mass Valence QuarksWe perform the scale setting procedure of a mixed action setup consisting of valence Wilson twisted mass fermions at maximal twist on CLS ensembles with Nf=2+1 flavours of O(a)-improved Wilson…Alejandro Saez, Alessandro Conigli, Julien Frison et al.·Jan 21, 2024SaveLearn
Applications of flow models to the generation of correlated lattice QCD ensemblesMachine-learned normalizing flows can be used in the context of lattice quantum field theory to generate statistically correlated ensembles of lattice gauge fields at different action parameters.…Ryan Abbott, Aleksandar Botev, Denis Boyda et al.·Jan 19, 2024SaveLearn
Exploring the anisotropic HISQ (aHISQ) actionThe fate of heavy quarkonia states in quark-gluon plasma is encoded in the temperature dependence of their spectral functions. Reconstruction of spectral functions from Euclidean lattice correlators…Alexei Bazavov, Yannis Trimis, Johannes Heinrich Weber·Jan 18, 2024SaveLearn
Detecting Lee-Yang/Fisher singularities by multi-point Pad\`eThe Bielefeld Parma Collaboration has in recent years put forward a method to probe finite density QCD by the detection of Lee-Yang singularities. The location of the latter is obtained by…F. Di Renzo, D. A. Clarke, P. Dimopoulos et al.·Jan 17, 2024SaveLearn
Searching for the QCD critical point using Lee-Yang edge singularitiesUsing Nf=2+1 QCD calculations at physical quark mass and purely imaginary baryon chemical potential, we locate Lee-Yang edge singularities in the complex chemical potential plane. These…D. A. Clarke, P. Dimopoulos, F. Di Renzo et al.·Jan 16, 2024SaveLearn
Tensor Renormalization Group for fermionsWe review the basic ideas of the Tensor Renormalization Group method and show how they can be applied for lattice field theory models involving relativistic fermions and Grassmann variables in…Shinichiro Akiyama, Yannick Meurice, Ryo Sakai·Jan 16, 2024SaveLearn
Quenched Static force from generalized Wilson loops with gradient flowWe compute the static force on the lattice in the quenched case directly through generalized Wilson loops. We modify the Wilson loop by inserting an E-field component on one of the temporal Wilson…Julian Mayer-Steudte·Jan 16, 2024SaveLearn
Transport and Connection to Heavy-ion Collisions via Heavy Flavor ProbesThe heavy ion experiments in Relativistic Heavy Ion Collider (RHIC) and Large Hadron Collider (LHC) are going through upgrade in the next five years, shifting their focus more on the hard processes…Hai-Tao Shu·Jan 16, 2024SaveLearn
Renormalization of Karsten-Wilczek Quarks on a Staggered BackgroundThe Karsten-Wilczek action is a formulation of minimally doubled fermions on the lattice. It explicitly breaks hypercubic symmetry and introduces three counterterms with respective bare parameters.…Daniel A. Godzieba, Szabolcs Borsanyi, Zoltan Fodor et al.·Jan 15, 2024SaveLearn
Universal scaling and the asymptotic behaviour of Fourier coefficients of the baryon-number density in QCDWe discuss the scaling of the Yang-Lee singularity (YLs) and show how the universal scaling can be used to locate phase transitions in QCD. We describe two complementary methods to extract the…Christian Schmidt, David A. Clarke, Petros Dimopoulos et al.·Jan 15, 2024SaveLearn
A qubit regularization of asymptotic freedom without fine-tuningOther than the commonly used Wilson's regularization of quantum field theories (QFTs), there is a growing interest in regularizations that explore lattice models with a strictly finite local Hilbert…Sandip Maiti, Debasish Banerjee, Shailesh Chandrasekharan et al.·Jan 15, 2024SaveLearn
Chiral condensate from the spectrum of the staggered Dirac operatorThe chiral condensate is computed from the mode number of the staggered Dirac operator. This result is compared with those obtained with other approaches, based on the quark mass dependence of the…Claudio Bonanno, Francesco D'Angelo, Massimo D'Elia·Jan 15, 2024SaveLearn
Isospin-breaking corrections to weak decays: the current status and a new infrared improvementWe provide an overview of the current state of lattice calculations concerning isospin-breaking corrections in weak decays, focusing in particular on leptonic decays of light pseudoscalar mesons. We…Matteo Di Carlo·Jan 15, 2024SaveLearn
First dynamical simulations with minimally doubled fermionsFor thermodynamics studies it is desirable to simulate two degenerate flavors and retain at least a remnant of the chiral symmetry. Staggered fermions can achieve this at the cost of rooting the…Reka A. Vig, Szabolcs Borsanyi, Zoltan Fodor et al.·Jan 15, 2024SaveLearn
Three ways of calculating mass spectra for the 2-flavor Schwinger model in the Hamiltonian formalismWe propose three independent methods to compute the hadron mass spectra of gauge theories in the Hamiltonian formalism. The determination of hadron masses is one of the key issues in QCD, which has…Akira Matsumoto, Etsuko Itou, Yuya Tanizaki·Jan 15, 2024SaveLearn
Study of Chiral Symmetry and U(1)A using Spatial Correlators for Nf=2+1 QCD at finite temperature with Domain Wall FermionsBased on simulations of 2+1 flavor lattice QCD with M\"obius domain wall fermions at high temperatures, we compute a series of spatial correlation functions to study the screening masses in mesonic…David Ward, Sinya Aoki, Yasumichi Aoki et al.·Jan 15, 2024SaveLearn
The pion scalar form factor with Nf=2+1 Wilson fermionsWe report preliminary results from an analysis of the pion scalar form factor computed on a set of the tr[M]=const CLS gauge ensembles with Nf=2+1 Wilson Clover-improved sea…Konstantin Ottnad, Georg von Hippel·Jan 12, 2024SaveLearn
Trivializing Flow in 2D O(3) sigma modelThe two dimensional O(3) sigma model, just as quantum chromodynamics, is an asymptotically free theory with a mass gap. Therefore, it is an interesting and simple toy model to investigate algorithms…Christopher Chamness, Kostas Orginos, Daniel Kovner·Jan 12, 2024SaveLearn
Extracting the Pion Distribution Amplitude from Lattice QCD through Pseudo-DistributionsThe Light-Cone Distribution Amplitude (LCDA) encodes the non-perturbative information of the leading Fock component of the hadron wave function, therefore required for processes including exclusive…Daniel Kovner, Joe Karpie, Konstantinos Orginos et al.·Jan 12, 2024SaveLearn