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Note on post-Minkowskian expansion and Bondi coordinates

Published 20 May 2024 in gr-qc and hep-th | (2405.11953v1)

Abstract: In this note, we transform the linear order (first order in $G$) metric from a system of pointlike bodies source to the Bondi coordinates. We confirm that the Bondi 4-momentum and angular momentum of the system computed at null infinity in Bondi coordinates coincide with the relativistic definitions of 4-momentum and angular momentum for the system of pointlike bodies.

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