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Explicit solution of the gravitational two-body problem at the second post-Minkowskian order

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arxiv 2408.17193 v1 pith:HFDNDQJ5 submitted 2024-08-30 gr-qc

classification gr-qc
keywords ordercaseexplicitpost-minkowskianpost-newtoniansecondaccelerationangular
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abstract

The worldlines (in harmonic coordinates) of two gravitationally interacting massive bodies at the second post-Minkowskian order are described in explicit form. Both the conservative case and the radiation-reacted case are considered. We use our results to check the changes, during scattering, of the individual momenta, as well as of the total angular momentum. High post-Newtonian order values of the $O(G^2)$ radiation-reaction acceleration components are provided for checks of future post-Newtonian computations.

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Cited by 1 Pith paper

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  1. Gravitational radiation reaction for compact binary systems at the fourth-and-a-half post-Newtonian order in harmonic coordinates

    gr-qc 2026-01 conditional novelty 7.0 of 10

    The 4.5PN radiation-reaction acceleration of nonspinning compact binaries is derived in harmonic coordinates, including a dimensional-regularization pole, and is shown to satisfy flux-balance laws and Lorentz invariance.

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