Improving chiral property of domain-wall fermions by reweighting method

TL;DR

This paper explores a reweighting method to enhance the chiral symmetry properties of domain-wall fermions by effectively increasing the fifth dimension size, addressing challenges in changing the lattice volume.

Contribution

It introduces a reweighting approach to improve chiral properties by adjusting the fifth dimension size in domain-wall fermions, a novel application of reweighting in this context.

Findings

Reweighting can effectively improve chiral symmetry properties.

Addressed challenges in changing the five-dimensional lattice volume.

Evaluated the effectiveness of the reweighting method.

Abstract

The reweighting method is applied to improve the chiral property of domain-wall fermions. One way to achieve this is to enlarge $L_s$, the size of fifth dimension, which controls the size of the induced chiral symmetry breaking. While this is a type of reweighting method for shifting the action parameter, it seems non-trivial since this reweighting means change of the five dimensional lattice volume. In this report, we address issues in this direction of reweighting and evaluate its effectiveness.