3D Stress Tensor for Gravity in 4D Flat Spacetime

Fuente: arXiv
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Hauptverfasser: Bagchi, Arjun, Dhivakar, Prateksh, Dutta, Sudipta
Format: Preprint
Veröffentlicht: 2024
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author Bagchi, Arjun
Dhivakar, Prateksh
Dutta, Sudipta
author_facet Bagchi, Arjun
Dhivakar, Prateksh
Dutta, Sudipta
contents Three dimensional (3d) Carrollian CFTs are potential co-dimension one holographic duals of 4d asymptotically flat spacetimes that live on the whole of the null boundary. In this paper, we show that the local stress tensor of the 3d Carrollian conformal theory (without any additional sources) constructed in terms of the geometric structure at asymptotic null infinity naturally encodes both the leading and subleading soft graviton theorems. We relate the 3d Carroll stress tensor to the 2d Celestial one and show how the 3d version naturally localises the non-local 2d Celestial stress tensor. We also comment on the relation with stress tensors in relativistic 3d CFTs and connections to the flat limit of AdS/CFT.
format Preprint
id arxiv_https___arxiv_org_abs_2408_05494
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle 3D Stress Tensor for Gravity in 4D Flat Spacetime
Bagchi, Arjun
Dhivakar, Prateksh
Dutta, Sudipta
High Energy Physics - Theory
Three dimensional (3d) Carrollian CFTs are potential co-dimension one holographic duals of 4d asymptotically flat spacetimes that live on the whole of the null boundary. In this paper, we show that the local stress tensor of the 3d Carrollian conformal theory (without any additional sources) constructed in terms of the geometric structure at asymptotic null infinity naturally encodes both the leading and subleading soft graviton theorems. We relate the 3d Carroll stress tensor to the 2d Celestial one and show how the 3d version naturally localises the non-local 2d Celestial stress tensor. We also comment on the relation with stress tensors in relativistic 3d CFTs and connections to the flat limit of AdS/CFT.
title 3D Stress Tensor for Gravity in 4D Flat Spacetime
topic High Energy Physics - Theory
url https://arxiv.org/abs/2408.05494