Tuning improved anisotropic actions in lattice perturbation theory
Justin Foley, Colin Morningstar
TL;DR
This paper presents a detailed perturbative tuning of anisotropic lattice actions, including fermion and gauge components, with full mass dependence and smearing effects, to improve lattice QCD simulations.
Contribution
It introduces a comprehensive perturbative tuning method for anisotropic clover and Symanzik-improved gauge actions, accounting for smearing and mass dependence.
Findings
Calculated fermion and gauge aspect ratios for various parameters
Demonstrated the impact of smearing on action tuning
Provided a framework for precise lattice action adjustments
Abstract
We discuss the tuning of the anisotropic clover action and Symanzik-improved gauge action in lattice perturbation theory. The fermion action is constructed from stout-smeared spatial links, which complicates the calculation considerably. In addition, the full quark-mass dependence of the action parameters is included in this study. We present results for the fermion and gauge aspect ratios for varying bare aspect ratios, quark masses and smearing parameters.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · Superconducting Materials and Applications