PT-Symmetric Quantum Field Theory
arXiv:hep-th/0308033 · doi:10.1023/B:CJOP.0000010535.56276.7e
Abstract
In the context of the PT-symmetric version of quantum electrodynamics, it is argued that the C operator introduced in order to define a unitary inner product has nothing to do with charge conjugation.
4 pages, uses czjphys.cls, to appear in the Proceedings of the 12th International Colloquium on Quantum Groups and Integrable Systems