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Towards an IR finite S-matrix in the flat limit of AdS/CFT

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arxiv 2211.13711 v1 pith:NH4L72N3 submitted 2022-11-24 hep-th

Sarthak Duary , Eliot Hijano , Milan Patra This is my paper · ORCID
classification hep-th
keywords asymptoticflatstateslimits-matrixassumptionbackconstruct
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Asymptotic Fock spaces lead to IR divergences in S-matrices. The issue can be traced back to the assumption of asymptotic decoupling, and its relaxation leads to Faddeev-Kulish states and an IR-finite S-matrix. In this paper we initiate the exploration of these states in the context of the flat limit of AdS/CFT. We construct asymptotic states as flat limits of fields that interact with the electro-magnetic field in AdS, and provide a reconstruction in terms of the dual CFT operators.

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Cited by 4 Pith papers

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

  1. Imprint of the black hole interior on thermal four-point correlators

    hep-th 2025-12 conditional novelty 6.0 of 10

    Analytically continuing and smearing thermal four-point correlators turns them into flat-space scattering amplitudes at a bulk point inside the black hole.

  2. Li\'enard--Wiechert fields in AdS and flat-space antipodal matching from geodesic-centered Coulombic data

    hep-th 2026-07 conditional novelty 5.5 of 10

    The Coulombic Liénard–Wiechert field in AdS and flat space is obtained by recentering the static Coulomb seed on the source geodesic, and antipodal matching emerges as the flat-space limit of an exact bulk antipodal c...

  3. AdS S-Matrix for Massive Vector Fields

    hep-th 2024-12 conditional novelty 5.0 of 10

    Massive vector bulk-to-boundary and bulk-to-bulk propagators and a scalar-exchange four-point amplitude are computed in AdS within 1/R perturbation theory.

  4. Nonperfect Carrollian Fluids Through Holography

    hep-th 2026-01 conditional novelty 4.0 of 10

    Bulk gravitational radiation, diagnosed by the Fernández-Álvarez–Senovilla criterion, is dual to dissipative (Carrollian) boundary-fluid data, with an entropy-flux law and a Robinson-Trautman worked example.

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