On BPS World Volume, RR Couplings and their ${\alpha }^{\prime }$ Corrections in type IIB

Abstract

We compute the asymmetric and symmetric correlation functions of a four point amplitude of a gauge field, a scalar field and a closed string Ramond-Ramond (RR) for different non-vanishing BPS branes. All world volume, Taylor and pull-back couplings and their all order ${\alpha }^{\prime }$ corrections have also been explored. Due to various symmetry structures, different restricted BPS Bianchi identities have also been constructed. The prescription of exploring all the corrections of two closed string RR couplings in type IIB is given. We obtain the closed form of the entire S-matrix elements of two closed string RR and a gauge field on the world volume of BPS branes in type IIB. All the correlation functions of $<V_{A^0(x_1)}{V}_{C^{-1}(z_1,{\bar{z}}_1)}{V}_{C^{-1}(z_2,{\bar{z}}_2)}>$ are also revealed accordingly. The algebraic forms for the most general case of the integrations $\int d^{2}z|z-i{|}^a|z+i{|}^b(z-\bar{z}{)}^c(z+\bar{z}{)}^d$ on upper half plane are derived in terms of Pochhammer and some analytic functions. Lastly, we generate various singularity structures in both effective field theory and IIB string theory, producing different contact interactions as well as their ${\alpha }^{\prime }$ higher derivative corrections.

V5: 19 pages, typos corrected, clarifications added and version in AHEP

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