Overlap and domain wall fermions: what is the price of chirality?

TL;DR

This paper estimates the computational costs of using domain wall and overlap fermions in lattice QCD simulations within the quenched approximation, highlighting the resource implications of maintaining chiral symmetry.

Contribution

It provides a comparative analysis of the computational expenses associated with domain wall and overlap fermions, focusing on their cost of preserving chirality.

Findings

Quantitative estimates of simulation costs for domain wall and overlap fermions

Discussion of the trade-offs involved in chiral symmetry preservation

Insights into the computational efficiency of different fermion formulations

Abstract

In this contribution the costs of simulations employing domain wall and overlap fermions are estimated. In the discussion we will stay within the quenched approximation.