On the Vafa-Witten Theorem on Spontaneous Breaking of Parity
classification
✦ hep-ph
keywords
breakingparityproofspontaneousarguebeencriticismsfermions
read the original 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.
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