Angular momentum content of a virtual graviton
High Energy Physics - Phenomenology
2009-11-10 v2 General Relativity and Quantum Cosmology
Abstract
We show that a virtual graviton has a J=0 component, which serves to cancel the J=2, J_z=0 component when the graviton is on shell. In contrast, a massive graviton has no J=0 component either on or off shell. This difference is responsible for the van Dam-Veltman-Zakharov discontinuity.
Cite
@article{arxiv.hep-ph/0409316,
title = {Angular momentum content of a virtual graviton},
author = {Duane Dicus and Scott Willenbrock},
journal= {arXiv preprint arXiv:hep-ph/0409316},
year = {2009}
}
Comments
5 pages. Reference added