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  Conservative and radiative dynamics of spinning bodies at third post-Minkowskian order using worldline quantum field theory

Jakobsen, G. U., & Mogull, G. (2022). Conservative and radiative dynamics of spinning bodies at third post-Minkowskian order using worldline quantum field theory. Physical Review Letters, 128(14): 141102. doi:10.1103/PhysRevLett.128.141102.

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2201.07778.pdf (Preprint), 408KB
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 Creators:
Jakobsen, Gustav Uhre1, Author              
Mogull, Gustav1, Author              
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              

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Free keywords: High Energy Physics - Theory, hep-th,General Relativity and Quantum Cosmology, gr-qc
 Abstract: Using the spinning worldline quantum field theory formalism we calculate the quadratic-in-spin momentum impulse $\Delta p_i^\mu$ and spin kick $\Delta a_i^\mu$ from a scattering of two arbitrarily oriented spinning massive bodies (black holes or neutron stars) in a weak gravitational background up to third post-Minkowskian (PM) order ($G^3$). Two-loop Feynman integrals are performed in the potential region, yielding conservative results. For spins aligned to the orbital angular momentum we find a conservative scattering angle that is fully consistent with state-of-the-art post-Newtonian results. Using the 2PM radiated angular momentum previously obtained by Plefka, Steinhoff and the present authors we generalize the angle to include radiation-reaction effects, in which case it avoids divergences in the high-energy limit.

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 Dates: 2022-01-192022
 Publication Status: Published in print
 Pages: 5 pages, 2 figures + appendices
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 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 2201.07778
DOI: 10.1103/PhysRevLett.128.141102
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 128 (14) Sequence Number: 141102 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1