On the Vafa-Witten Theorem on Spontaneous Breaking of Parity
High Energy Physics - Phenomenology
2009-11-07 v2
Abstract
We revisit the proof provided by Vafa and Witten that there is no spontaneous parity breaking in theories with vector-like fermions. We argue that the various criticisms that have been leveled at the original proof do not invalidate it.
Cite
@article{arxiv.hep-ph/0205346,
title = {On the Vafa-Witten Theorem on Spontaneous Breaking of Parity},
author = {Martin B. Einhorn and Jose Wudka},
journal= {arXiv preprint arXiv:hep-ph/0205346},
year = {2009}
}
Comments
11 pages, no figures, requires revtex4; corrections concerning the applicability of the theorem to lattice models are included