Framework for finite alternative theories to a quantum field theory. II-Unitarity
High Energy Physics - Theory
2007-05-23 v1
Abstract
We generalized the 't Hooft-Veltman method of unitary regulators to put forward a path-integral framework for finite, alternative theories to a given quantum field theory. And we demonstrated that the proposed framework is feasible by providing a finite alternative to the quantum field theory of a single, self-interacting real scalar field. Here we give two properties of self-energy that make the corresponding scattering matrix unitary. We show that the perturbative self-energy has these two properties at least up to the second order in the coupling constant.
Keywords
Cite
@article{arxiv.hep-th/0310229,
title = {Framework for finite alternative theories to a quantum field theory. II-Unitarity},
author = {Marijan Ribaric and Luka Sustersic},
journal= {arXiv preprint arXiv:hep-th/0310229},
year = {2007}
}