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Asymptotic Symmetries and Weinberg's Soft Photon Theorem in Mink$_{d+2}$

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arxiv 1903.02608 v3 pith:XTHV4WDA submitted 2019-03-06 hep-th hep-ph

Temple He , Prahar Mitra This is my paper
classification hep-thhep-ph
keywords softsymmetriestheoremweinbergasymptoticdimensionaldimensionsgauge
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We show that Weinberg's leading soft photon theorem in massless abelian gauge theories implies the existence of an infinite-dimensional large gauge symmetry which acts non-trivially on the null boundaries ${\mathscr I}^\pm$ of $(d+2)$-dimensional Minkowski spacetime. These symmetries are parameterized by an arbitrary function $\varepsilon(x)$ of the $d$-dimensional celestial sphere living at ${\mathscr I}^\pm$. This extends the previously established equivalence between Weinberg's leading soft theorem and asymptotic symmetries from four and higher even dimensions to \emph{all} higher dimensions.

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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. Logarithmic Soft Photon Theorem and Waveform Tails in Higher Dimensions

    hep-th 2026-08 conditional novelty 7.0 of 10

    In d>4, soft photon emission acquires a universal omega^{d-4} ln omega factor, producing power-law early- and late-time radiative tails in the classical electromagnetic waveform.

  2. Flat Holography & Holographic Renormalization: Scalar Field

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    A Hamilton-Jacobi holographic renormalization scheme for scalars in Minkowski space yields a GKPW-style flat holography dictionary: source = scattering data, vev = renormalized momentum, with correlators matching the ...

  3. On Carrollian and Celestial Correlators in General Dimensions

    hep-th 2025-08 conditional novelty 6.0 of 10

    Explicit two-, three-, and four-point Carrollian and celestial amplitudes for massless scalars in D dimensions, connected to the flat/Carrollian limit of AdS/CFT correlators.

  4. Supertranslations in the bulk of spacetime

    hep-th 2025-12 conditional novelty 5.0 of 10

    Supertranslations can be defined in the bulk as changes of null hypersurfaces, extending boundary symmetries into the interior and producing a curvature-dependent memory effect in Schwarzschild.

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