An anisotropic preconditioning for the Wilson fermion matrix on the lattice
Balint Joo, Robert G. Edwards, Michael J. Peardon
TL;DR
This paper introduces an anisotropic preconditioning technique for the Wilson fermion matrix tailored for lattices with smaller temporal spacing, improving numerical stability in lattice QCD simulations.
Contribution
The paper presents a novel preconditioning scheme specifically designed for anisotropic lattices in lattice QCD, with detailed implementation and testing.
Findings
Enhanced numerical stability in anisotropic lattice QCD simulations
Effective preconditioning for Wilson fermion matrix with small temporal lattice spacing
Improved computational efficiency in numerical studies
Abstract
A preconditioning for the Wilson fermion matrix on the lattice is defined which is particularly suited to the case when the temporal lattice spacing is much smaller than the spatial one. Details on the implementation of the scheme are given. The method is tested in numerical studies of QCD on anisotropic lattices.
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