On gravitational couplings in D-brane action
High Energy Physics - Theory
2009-11-07 v3
Abstract
We compute the two closed string graviton - two open string scalar scattering amplitude on the disc to show that there is no second-derivative curvature - scalar coupling term R X^2 in the low-energy effective action of a D-brane in curved space in type II superstring theory.
Keywords
Cite
@article{arxiv.hep-th/0211101,
title = {On gravitational couplings in D-brane action},
author = {A. Fotopoulos and A. A. Tseytlin},
journal= {arXiv preprint arXiv:hep-th/0211101},
year = {2009}
}
Comments
15 pages, 1 figure, LaTex JHEP style; v2: reference added, typos corrected; v3: section 2 rewritten due to an error in gauge fixing, appendix added, conclusions unchanged