Weighted Power Counting and Perturbative Unitarity
High Energy Physics - Theory
2011-03-23 v2 High Energy Physics - Phenomenology
Abstract
We consider the relationship between renormalizability and unitarity at a Lifshitz point in d dimensions. We test tree unitarity for theories containing only scalars and fermions, and for pure gauge theory. In both cases, we find the requirement of weighted power-counting renormalizability is equivalent to that of tree unitarity.
Cite
@article{arxiv.1012.2387,
title = {Weighted Power Counting and Perturbative Unitarity},
author = {Dylan Albrecht},
journal= {arXiv preprint arXiv:1012.2387},
year = {2011}
}
Comments
12 pages, version published in Phys. Rev. D