On the trace anomaly for Weyl fermions
High Energy Physics - Theory
2020-01-07 v2
Abstract
This note is a comment on some recent papers that have raised a controversy about the existence of the odd-parity trace anomaly in a four-dimensional theory of Weyl fermions. Without going into too technical details we explain why the methods employed in those papers cannot detect it.
Cite
@article{arxiv.1909.11991,
title = {On the trace anomaly for Weyl fermions},
author = {Loriano Bonora and Roberto Soldati},
journal= {arXiv preprint arXiv:1909.11991},
year = {2020}
}
Comments
20 pages, several comments and an appendix added