On Chern-Simons Couplings at order $O(\alpha'^2)$
High Energy Physics - Theory
2017-02-01 v1
Abstract
Using the explicit string scattering calculation and the linear T-dual ward identity, we evaluate the string theory disc amplitude of one Ramond-Ramond field and two Neveu-Schwarz B-fields in the presence of a single -brane in type string theory. From this amplitude we extract the (or equivalently four-derivative) part of the -brane couplings involving these fields.
Keywords
Cite
@article{arxiv.1612.05896,
title = {On Chern-Simons Couplings at order $O(\alpha'^2)$},
author = {Komeil Babaei Velni and Ali Jalali},
journal= {arXiv preprint arXiv:1612.05896},
year = {2017}
}
Comments
19 pages, 1 table. arXiv admin note: text overlap with arXiv:1102.5510 by other authors