PT-Symmetry Quantum Electrodynamics--PTQED
Kimball A. Milton, Ines Cavero-Pelaez, Prachi Parashar, K. V. Shajesh,, and Jef Wagner
TL;DR
This paper reviews PT-symmetric quantum electrodynamics, focusing on the massless 1+1 dimensional Schwinger model, and discusses challenges related to unitarity of the S-matrix.
Contribution
It provides a review of PT-symmetric QED and presents an exact solution for the massless Schwinger model in 1+1 dimensions.
Findings
Solved the massless PT-symmetric Schwinger model
Discussed unitarity issues in PTQED
Highlighted difficulties in maintaining unitarity
Abstract
The construction of -symmetric quantum electrodynamics is reviewed. In particular, the massless version of the theory in 1+1 dimensions (the Schwinger model) is solved. Difficulties with unitarity of the -matrix are discussed.
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