flavor lattice QCD toward the physical point

S Aoki, KI Ishikawa, N Ishizuka, T Izubuchi… - Physical Review D …, 2009 - APS
We present the first results of the PACS-CS project which aims to simulate 2+ 1 flavor lattice
QCD on the physical point with the nonperturbatively O (a)-improved Wilson quark action …

Higher representations on the lattice: Numerical simulations, SU (2) with adjoint fermions

L Del Debbio, A Patella, C Pica - … Review D—Particles, Fields, Gravitation, and …, 2010 - APS
We discuss the lattice formulation of gauge theories with fermions in arbitrary
representations of the color group and present in detail the implementation of the hybrid …

Testing and tuning symplectic integrators for the hybrid Monte Carlo algorithm in lattice QCD

T Takaishi, P De Forcrand - Physical Review E—Statistical, Nonlinear, and Soft …, 2006 - APS
We examine a new second-order integrator recently found by Omelyan et al. The integration
error of the new integrator measured in the root mean square of the energy difference,⟨ Δ H …

Speeding up lattice QCD simulations with clover-improved Wilson fermions

M Hasenbusch, K Jansen - Nuclear Physics B, 2003 - Elsevier
We apply a recent proposal to speed up the hybrid Monte Carlo simulation of systems with
dynamical fermions to two flavour QCD with clover-improvement. The basic idea of our …

Symplectic lattice gauge theories in the grid framework: Approaching the conformal window

E Bennett, PA Boyle, L Del Debbio, N Forzano… - Physical Review D, 2023 - APS
Symplectic gauge theories coupled to matter fields lead to symmetry enhancement
phenomena that have potential applications in such diverse contexts as composite Higgs …

Sp (4) gauge theory on the lattice: towards SU (4)/Sp (4) composite Higgs (and beyond)

E Bennett, DK Hong, JW Lee, CJD Lin, B Lucini… - Journal of High Energy …, 2018 - Springer
A bstract The Sp (4) gauge theory with two Dirac fundamental flavours provides a candidate
for the microscopic origin of composite-Higgs models based on the SU (4)/Sp (4) coset. We …

[HTML][HTML] Hessian-free force-gradient integrators

K Schäfers, J Finkenrath, M Günther… - Computer Physics …, 2025 - Elsevier
We propose a new framework of Hessian-free force-gradient integrators that do not require
the analytical expression of the force-gradient term based on the Hessian of the potential …

Shadow Hamiltonians, Poisson brackets, and gauge theories

AD Kennedy, PJ Silva, MA Clark - … Review D—Particles, Fields, Gravitation, and …, 2013 - APS
Numerical lattice gauge theory computations to generate gauge field configurations
including the effects of dynamical fermions are usually carried out using algorithms that …

Computational cost of full QCD simulations experienced by CP-PACS and JLQCD Collaborations

A Ukawa, J Collaborations - Nuclear Physics B-Proceedings …, 2002 - Elsevier
We summarize the experience of the CP-PACS and JLQCD Collaborations on the
computational cost of two-flavor full QCD simulations with improved gauge and Wilson-type …

Polynomial hybrid Monte Carlo algorithm for lattice QCD with an odd number of flavors

S Aoki, R Burkhalter, M Fukugita, S Hashimoto… - Physical review D, 2002 - APS
We present a polynomial hybrid Monte Carlo (PHMC) algorithm for lattice QCD with odd
numbers of flavors of O (a)-improved Wilson quark action. The algorithm makes use of the …