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On the $AdS_3$ Virasoro-Shapiro Amplitude

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arxiv 2412.05246 v1 pith:JRJ75QIR submitted 2024-12-06 hep-th

Luis F. Alday , Gaston Giribet , Tobias Hansen This is my paper
classification hep-th
keywords virasoro-shapiroamplitudeamplitudesconsidercurvaturedefineddimensionsexpansion
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abstract

We consider tree-level scattering amplitudes for four string tachyons on $AdS_3 \times {\cal N}$ with pure NSNS fluxes. We show that in a small curvature expansion, properly defined, the amplitudes take the form of a genus zero integral given by the Virasoro-Shapiro integrand with the extra insertion of single valued multiple polylogarithms. This is the same structure as the one found for the AdS Virasoro-Shapiro amplitude in higher dimensions.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Notes on flat-space limit of holographic defect correlators in position space

    hep-th 2025-07 accept novelty 7.0 of 10

    A position-space flat-space limit formula for holographic defect two-point functions is derived, proven equivalent to the Mellin-space conjecture, and checked against Wilson loops, surface defects, and giant gravitons.

  2. Associators for AdS string amplitude building blocks

    hep-th 2025-05 conditional novelty 6.0 of 10

    Open-string AdS building blocks can be generated by Drinfeld associator recursions and closed-string ones by Deligne associator recursions, yielding all-order zeta-valued expansions.

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