Supertranslations from Scattering Amplitudes

Asaad Elkhidir; Donal O'Connell; Radu Roiban

doi:10.1103/fxdk-5qwc

Supertranslations from Scattering Amplitudes

Asaad Elkhidir
, Donal O'Connell
, Radu Roiban

Research output: Contribution to journal › Article › peer-review

Abstract

On shell methods have found a new application to local observables such as asymptotic radiation fields and gravitational waveforms. While these observables are invariant under small gauge transformations, they are known to depend on a choice of asymptotic gauge; in gravity on asymptotically Minkowski spacetimes, this is a choice of Bondi-Van der Burg-Metzner-Sachs frame. In this Letter, we provide a method for capturing these supertranslations, to all orders in perturbation theory, using the on shell framework of scattering amplitudes.

Original language	English (US)
Article number	151601
Journal	Physical review letters
Volume	135
Issue number	15
DOIs	https://doi.org/10.1103/fxdk-5qwc
State	Published - Oct 10 2025

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/fxdk-5qwc

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AU - Roiban, Radu

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N2 - On shell methods have found a new application to local observables such as asymptotic radiation fields and gravitational waveforms. While these observables are invariant under small gauge transformations, they are known to depend on a choice of asymptotic gauge; in gravity on asymptotically Minkowski spacetimes, this is a choice of Bondi-Van der Burg-Metzner-Sachs frame. In this Letter, we provide a method for capturing these supertranslations, to all orders in perturbation theory, using the on shell framework of scattering amplitudes.

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Supertranslations from Scattering Amplitudes

Abstract

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