Gravitational Couplings, Orientifolds and M-Planes
High Energy Physics - Theory
2009-10-31 v2
Abstract
We examine string-theory orientifold planes of various types including the Sp and SO-odd planes, and deduce the gravitational Chern-Simons couplings on their world-volumes. Consistency checks are carried out in different spacetime dimensions using various dualities, including those relating string theory with F-theory and M-theory. It is shown that when an orientifold 3-plane crosses a 5-brane, the jump in the charge is accompanied by a corresponding change in the gravitational couplings.
Keywords
Cite
@article{arxiv.hep-th/9907215,
title = {Gravitational Couplings, Orientifolds and M-Planes},
author = {Sunil Mukhi and Nemani V. Suryanarayana},
journal= {arXiv preprint arXiv:hep-th/9907215},
year = {2009}
}
Comments
14 pages, harvmac (b), 2 figures, referencing improved and a reference added, no changes in content