Scalar Quantum Field Theory with Cubic Interaction
High Energy Physics - Theory
2009-11-10 v3
Abstract
In this paper it is shown that an i phi^3 field theory is a physically acceptable field theory model (the spectrum is positive and the theory is unitary). The demonstration rests on the perturbative construction of a linear operator C, which is needed to define the Hilbert space inner product. The C operator is a new, time-independent observable in PT-symmetric quantum field theory.
Cite
@article{arxiv.hep-th/0402011,
title = {Scalar Quantum Field Theory with Cubic Interaction},
author = {Carl M. Bender and Dorje C. Brody and Hugh F. Jones},
journal= {arXiv preprint arXiv:hep-th/0402011},
year = {2009}
}
Comments
Corrected expressions in equations (20) and (21)