One loop superstring effective actions and d=4 supergravity
High Energy Physics - Theory
2008-11-26 v1
Abstract
We review our recent work on the existence of a new independent R^4 term, at one loop, in the type IIA and heterotic effective actions, after reduction to four dimensions, besides the usual square of the Bel-Robinson tensor. We discuss its supersymmetrization.
Cite
@article{arxiv.0711.3228,
title = {One loop superstring effective actions and d=4 supergravity},
author = {Filipe Moura},
journal= {arXiv preprint arXiv:0711.3228},
year = {2008}
}
Comments
1+7 pages. Work presented at the XVI International Fall Workshop on Geometry and Physics, Lisbon, Portugal, September 2007