TL;DR
This paper computes the leading string theory corrections to supergravity fields from intersecting D3-brane configurations at arbitrary angles, with implications for black hole microstate counting in four dimensions.
Contribution
It introduces a method to derive supergravity perturbations from intersecting branes at angles using disk scattering amplitudes, relevant for black hole microstate analysis.
Findings
Derived supergravity field perturbations for intersecting branes at angles.
Connected brane configurations to black hole microstate counting.
Provided a framework for analyzing complex brane intersections in string theory.
Abstract
We derive the leading g_s perturbation of the SUGRA fields generated by a supersymmetric configuration of respectively 1, 2 or 4 D3-branes intersecting at an arbitrary angle via the computation of the string theory disk scattering amplitude of one massless NSNS field interacting with open strings stretched between the branes. The configuration with four branes is expected to be relevant for black hole microstate counting in four dimensions.
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