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Title: Peeling property and asymptotic symmetries with a cosmological constant
Authors: Saw, Vee-Liem 
Thun, Freeman Chee Siong
Keywords: Science::Physics
Issue Date: 2020
Source: Saw, V. & Thun, F. C. S. (2020). Peeling property and asymptotic symmetries with a cosmological constant. International Journal of Modern Physics D, 29(3), 2050020-.
Journal: International Journal of Modern Physics D
Abstract: This paper establishes two things in an asymptotically (anti-)de Sitter spacetime, by direct computations in the physical spacetime (i.e. with no involvement of spacetime compactification): (1) The peeling property of the Weyl spinor is guaranteed. In the case where there are Maxwell fields present, the peeling properties of both Weyl and Maxwell spinors similarly hold, if the leading order term of the spin coefficient $\rho$ when expanded as inverse powers of $r$ (where $r$ is the usual spherical radial coordinate, and $r\rightarrow\infty$ is null infinity, $\mathcal{I}$) has coefficient $-1$. (2) In the absence of gravitational radiation (a conformally flat $\mathcal{I}$), the group of asymptotic symmetries is trivial, with no room for supertranslations.
ISSN: 0218-2718
DOI: 10.1142/S0218271820500200
Schools: School of Physical and Mathematical Sciences 
Research Centres: Data Science and Artificial Intelligence Research Centre 
Rights: © 2020 World Scientific Publishing Company. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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