Radiation Reaction and Gravitational Waves at Fourth Post-Minkowskian Order

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  • Christoph Dlapa
  • Gregor Kälin
  • Liu, Zhengwen
  • Jakob Neef
  • Rafael A. Porto

We obtain the total impulse in the scattering of nonspinning binaries in general relativity at fourth post-Minkowskian order, i.e., O(G4), including linear, nonlinear, and hereditary radiation-reaction effects. We derive the total radiated spacetime momentum as well as the associated energy flux. The latter can be used to compute gravitational-wave observables for generic (un)bound orbits. We employ the ("in-in") Schwinger-Keldysh worldline effective field theory framework in combination with modern "multiloop"integration techniques from collider physics. The complete results are in agreement with various partial calculations in the post-Minkowskian and post-Newtonian expansion.

Original languageEnglish
Article number101401
JournalPhysical Review Letters
Volume130
Issue number10
Number of pages10
ISSN0031-9007
DOIs
Publication statusPublished - 2023

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© 2023 authors. Published by the American Physical Society.

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