$O(a^2)$-improved actions for heavy quarks and scaling studies on quenched lattices

Abstract

We investigate a new class of improved relativistic fermion action on the lattice with a criterion to give excellent energy-momentum dispersion relation as well as to be consistent with tree-level $O\left(a^2\right)$-improvement. Main application in mind is that for heavy quark for which $ma\simeq O(0.5)$. We present tree-level results and a scaling study on quenched lattices.

7 pages, 8 figures, presented at the 31st International Symposium on Lattice Field Theory (LATTICE 2013), July 29 - August 3, 2013, Mainz, Germany

References in corpus (4)

• High-precision scale setting in lattice QCD
• Index Theorem and Overlap Formalism with Naive and Minimally Doubled Fermions
• Large-scale simulations with chiral symmetry
• JLQCD IroIro++ lattice code on BG/Q

Cited by in corpus (4)

• Varieties and properties of central-branch Wilson fermions
• Quark Flavor Physics Review
• Scaling study of an improved fermion action on quenched lattices
• Lattice fermion formulation via Physics-Informed Neural Networks: Ginsparg-Wilson relation and Overlap fermions