The Ramond-Ramond sector of string theory beyond leading order
Abstract
Present knowledge of higher-derivative terms in string effective actions is, with a few exceptions, restricted to the NS-NS sector, a situation which prevents the development of a variety of interesting applications for which the RR terms are relevant. We here provide the formalism as well as efficient techniques to determine the latter directly from string-amplitude calculations. As an illustration of these methods, we compute the dependence of the type-IIB action on the three- and five-form RR field strengths at four-point, genus-one, order-(alpha')^3 level. We explicitly verify that our results are in accord with the SL(2,Z) S-duality invariance of type-IIB string theory. Extensions of our method to other bosonic terms in the type-II effective actions are discussed as well.
Keywords
Cite
@article{arxiv.hep-th/0307298,
title = {The Ramond-Ramond sector of string theory beyond leading order},
author = {Kasper Peeters and Anders Westerberg},
journal= {arXiv preprint arXiv:hep-th/0307298},
year = {2009}
}
Comments
27 pages; v2: discussion of superfield literature corrected, reference added; v3: discussion of the modified self-duality constraint improved and extended