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Subleading BMS charges and fake news near null infinity

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3]
  1. Max-Planck-Institut für Gravitationsphysik, Potsdam (Germany); DOE/OSTI
  2. Eidgenössische Technische Hochschule Zürich (Switzerland)
  3. Texas A & M Univ., College Station, TX (United States); Cambridge Univ. (United Kingdom)
In this paper we establish a relation between the non-linearly conserved New-man-Penrose charges and certain subleading terms in a large-r expansion of the BMS charges in an asymptotically-flat spacetime. We define the subleading BMS charges by considering a 1/r-expansion of the Barnich-Brandt prescription for defining asymptotic charges in an asymptotically-flat spacetime. At the leading order, i.e. 1/r0, one obtains the standard BMS charges, which would be integrable and conserved in the absence of a flux term at null infinity, corresponding to gravitational radiation, or Bondi news. At subleading orders, analogous terms in general provide obstructions to the integrability of the corresponding charges. Since the subleading terms are defined close to null infinity, but vanish actually at infinity, the analogous obstructions are not associated with genuine Bondi news. One may instead describe them as corresponding to “fake news”. At order r-3, we find that a set of integrable charges can be defined and that these are related to the ten non-linearly conserved Newman-Penrose charges.
Research Organization:
Texas A & M Univ., College Station, TX (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0010813
OSTI ID:
1611520
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 1 Vol. 2019; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (13)

Charge algebra in Al(A)dSn spacetimes journal May 2021
A note on dual gravitational charges journal December 2020
BMS charges in polyhomogeneous spacetimes text January 2020
Amplitudes from Coulomb to Kerr-Taub-NUT preprint January 2020
Conservation and Integrability in Lower-Dimensional Gravity text January 2020
Tower of subleading dual BMS charges journal March 2019
More on gravitational memory journal May 2019
Dual gravitational charges and soft theorems journal October 2019
Asymptotic structure of Einstein-Maxwell-dilaton theory and its five dimensional origin journal November 2019
Dual gravitational charges and soft theorems text January 2019
Tower of subleading dual BMS charges text January 2019
Tower of subleading dual BMS charges text January 2018
More on gravitational memory text January 2018

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