paper

On RR Couplings and Bulk Singularity Structures of Non-BPS Branes

arXiv:1511.04971 · doi:10.1016/j.physletb.2016.07.038

Abstract

We compute the five point world sheet scattering amplitude of a symmetric closed string Ramond-Ramond , a transverse scalar field, a world volume gauge field and a real tachyon in both world volume and transverse directions of brane in type IIA and IIB superstring theory. We provide the complete analysis of S-matrix and show that both and channel bulk singularity structures can also be examined by this S-matrix. Various remarks about new restricted Bianchi identities on world volume for the other pictures have also been made.

21 pages, no figure, Latex file, v3: clarifications added. Published version in PLB

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