Reflection Positivity of Free Overlap Fermions
High Energy Physics - Lattice
2010-12-24 v3
Abstract
It is shown that free lattice fermions defined by overlap Dirac operator fulfill the Osterwalder-Schrader reflection positivity condition with respect to the link-reflection. The proof holds true in non-gauge models with interactions such as chiral Yukawa models.
Keywords
Cite
@article{arxiv.1005.3751,
title = {Reflection Positivity of Free Overlap Fermions},
author = {Yoshio Kikukawa and Kouta Usui},
journal= {arXiv preprint arXiv:1005.3751},
year = {2010}
}
Comments
16pages, the proof for Weyl fermions and chiral Yukawa model are explained in some detail, references added. This version will appear in Physical Review D