324 citations · 3.9k across the 100 of their papers we have counts for
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Light Scalar Meson and Decay Constant in SU(3) Gauge Theory with Eight Dynamical Flavors
Lattice Strong Dynamics Collaboration, R. C. Brower, E. Owen +15
The SU(3) gauge theory with nearly massless Dirac fermions has long been of theoretical and phenomenological interest due to the near-conformality arising from its proximit…
Hidden Conformal Symmetry from the Lattice
LSD Collaboration, T. Appelquist, R. C. Brower +14
We analyze newly expanded and refined data from lattice studies of an SU(3) gauge theory with eight Dirac fermions in the fundamental representation. We focus on the light composit…
Lattice QCD and Particle Physics
Andreas S. Kronfeld, Tanmoy Bhattacharya, Thomas Blum +79
Contribution from the USQCD Collaboration to the Proceedings of the US Community Study on the Future of Particle Physics (Snowmass 2021).
Lattice QCD and the Computational Frontier
Peter Boyle, Dennis Bollweg, Richard Brower +15
The search for new physics requires a joint experimental and theoretical effort. Lattice QCD is already an essential tool for obtaining precise model-free theoretical predictions o…
Tensor networks for High Energy Physics: contribution to Snowmass 2021
Yannick Meurice, James C. Osborn, Ryo Sakai +3
Tensor network methods are becoming increasingly important for high-energy physics, condensed matter physics and quantum information science (QIS). We discuss the impact of tensor…
LeapfrogLayers: A Trainable Framework for Effective Topological Sampling
Sam Foreman, Xiao-Yong Jin, James C. Osborn
We introduce LeapfrogLayers, an invertible neural network architecture that can be trained to efficiently sample the topology of a 2D lattice gauge theory. We show an improv…
Deep Learning Hamiltonian Monte Carlo
Sam Foreman, Xiao-Yong Jin, James C. Osborn
We generalize the Hamiltonian Monte Carlo algorithm with a stack of neural network layers and evaluate its ability to sample from different topologies in a two dimensional lattice…
Stealth dark matter confinement transition and gravitational waves
R. C. Brower, K. Cushman, G. T. Fleming +11
We use non-perturbative lattice calculations to investigate the finite-temperature confinement transition of stealth dark matter, focusing on the regime in which this early-univers…
Ensemble Quasi-Newton HMC
Xiao-Yong Jin, James C. Osborn
We present a modification of the Hybrid Monte Carlo algorithm for tackling the critical slowing down of generating Markov chains of lattice gauge configurations towards the continu…
Nonperturbative investigations of SU(3) gauge theory with eight dynamical flavors
Lattice Strong Dynamics, Collaboration, : +14
We present our lattice studies of SU(3) gauge theory with = 8 degenerate fermions in the fundamental representation. Using nHYP-smeared staggered fermions we study finite-tem…
Lattice computation of the electromagnetic contributions to kaon and pion masses
S. Basak, A. Bazavov, C. Bernard +12
We present a lattice calculation of the electromagnetic (EM) effects on the masses of light pseudoscalar mesons. The simulations employ 2+1 dynamical flavors of asqtad QCD quarks,…
QEX: a framework for lattice field theories
Xiao-Yong Jin, James C. Osborn
We present a new software framework for simulating lattice field theories. It features an intuitive programming interface, while simultaneously achieving high performance supercomp…
Electromagnetic effects on the light pseudoscalar mesons and determination of
MILC Collaboration, S. Basak, A. Bazavov +15
The MILC Collaboration has completed production running of electromagnetic effects on light mesons using asqtad improved staggered quarks. In these calculations, we use quenched ph…
Strongly interacting dynamics and the search for new physics at the LHC
Thomas Appelquist, Richard C. Brower, George T. Fleming +11
We present results for the spectrum of a strongly interacting SU(3) gauge theory with light fermions in the fundamental representation. Carrying out non-perturbative latt…
Approaching conformality with the Tensor Renormalization Group method
Yannick Meurice, Li-Ping Yang, Judah Unmuth-Yockey +4
We discuss the Tensor Renormalization Group (TRG) method for the O(2) model with a chemical potential in 1+1 dimensions with emphasis on near gapless/conformal situations. We empha…
Electromagnetic effects on the light hadron spectrum
MILC Collaboration, S. Basak, A. Bazavov +16
For some time, the MILC Collaboration has been studying electromagnetic effects on light mesons. These calculations use fully dynamical QCD, but only quenched photons, which suffic…
Tensor renormalization group study of the 2d O(3) model
Judah Unmuth-Yockey, Yannick Meurice, James Osborn +1
We present our progress on a study of the model in two-dimensions using the Tensor Renormalization Group method. We first construct the theory in terms of tensors, and show…
Finite-volume effects and the electromagnetic contributions to kaon and pion masses
S. Basak, A. Bazavov, C. Bernard +14
We report on the MILC Collaboration calculation of electromagnetic effects on light pseudoscalar mesons. The simulations employ asqtad staggered dynamical quarks in QCD plus quench…
Lattice simulations with eight flavors of domain wall fermions in SU(3) gauge theory
T. Appelquist, R. C. Brower, G. T. Fleming +13
We study an SU(3) gauge theory with Nf=8 degenerate flavors of light fermions in the fundamental representation. Using the domain wall fermion formulation, we investigate the light…
Composite bosonic baryon dark matter on the lattice: SU(4) baryon spectrum and the effective Higgs interaction
Thomas Appelquist, Evan Berkowitz, Richard C. Brower +16
We present the spectrum of baryons in a new SU(4) gauge theory with fundamental fermion constituents. The spectrum of these bosonic baryons is of significant interest for composite…
Update on the 2+1+1 flavor QCD equation of state with HISQ
A. Bazavov, C. Bernard, C. DeTar +11
We present recent results on the QCD equation of state with 2+1+1 flavors of highly improved staggered quarks (HISQ). We focus on three sets of ensembles with temporal extent 6, 8…
Lattice QCD ensembles with four flavors of highly improved staggered quarks
The MILC Collaboration, A. Bazavov, C. Bernard +13
We present results from our simulations of quantum chromodynamics (QCD) with four flavors of quarks: u, d, s, and c. These simulations are performed with a one-loop Symanzik improv…
Chiral random matrix theory for staggered fermions
James C. Osborn
We present a completed random matrix theory for staggered fermions which incorporates all taste symmetry breaking terms at their leading order from the staggered chiral Lagrangian.…
WW Scattering Parameters via Pseudoscalar Phase Shifts
Thomas Appelquist, Ron Babich, Richard C. Brower +15
Using domain-wall lattice simulations, we study pseudoscalar-pseudoscalar scattering in the maximal isospin channel for an SU(3) gauge theory with two and six fermion flavors in th…