Comments on the double copy construction for gravitational theories
High Energy Physics - Theory
2020-06-04 v3
Abstract
We revisit the double copy description for linearized gravity and point out various technical issues and subtleties, associated with setting up the double copy description, including the problem of matching degrees of freedom on both sides of the double copy dictionary and the related issue of the constraint between graviton and dilaton sources. We introduce and discuss possible resolutions of these issues.
Keywords
Cite
@article{arxiv.1803.07670,
title = {Comments on the double copy construction for gravitational theories},
author = {Gabriel Lopes Cardoso and Gianluca Inverso and Silvia Nagy and Suresh Nampuri},
journal= {arXiv preprint arXiv:1803.07670},
year = {2020}
}
Comments
14 pages, proceedings Corfu Summer Institute 2017; v2: references updated