On RR couplings, singularity structures and all order α′ contact interactions to BPS string amplitudes

被引：0
作者：
Ehsan Hatefi
机构：
[1] Queen Mary University of London,Centre for Research in String Theory, School of Physics and Astronomy
[2] University of the Witwatersrand,National Institute for Theoretical Physics, School of Physics and Mandelstam Institute for Theoretical Physics
[3] Institute des Hautes Etudes Scientifiques,undefined
来源：
Journal of High Energy Physics | 2015年 / 2015卷
关键词：
Brane Dynamics in Gauge Theories; Superstrings and Heterotic Strings; D-branes; Conformal Field Models in String Theory;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We evaluate five point world-sheet string theory amplitudes of one transverse scalar field, two world volume gauge fields (and two transverse scalars, a gauge field) in the presence of a closed string Ramond-Ramond vertex operator in its symmetric picture. We carry out all the entire S-matrix elements of five point mixed RR-scalars/gauge fields <C−1ϕ0A−1A0>, <C−1ϕ−1A0A0>, <C−1A0ϕ−1ϕ0> and <C−1A−1ϕ0ϕ0> in detail and start comparing all order α′ contact interactions and singularities in both transverse and world volume directions. We explore the presence of various new couplings in string theory effective actions and find out their all order α′ higher derivative corrections in both type IIA and IIB. Ultimately we make various remarks for the singularities and contact terms whose RR momenta are embedded in transverse directions. α′ corrections to some of Myers terms are also addressed.
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页码：1 / 32
页数：31
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