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  Classical Gravitational Bremsstrahlung from a Worldline Quantum Field Theory

Jakobsen, G. U., Mogull, G., Plefka, J., & Steinhoff, J. (2021). Classical Gravitational Bremsstrahlung from a Worldline Quantum Field Theory. Physical Review Letters, 126(20): 201103. doi:10.1103/PhysRevLett.126.201103.

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 Creators:
Jakobsen, Gustav Uhre1, Author              
Mogull, Gustav1, Author              
Plefka, Jan, Author
Steinhoff, Jan1, Author              
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc,High Energy Physics - Theory, hep-th
 Abstract: Using the recently established formalism of a worldline quantum field theory (WQFT) description of the classical scattering of two spinless black holes, we compute the far-field time-domain waveform of the gravitational waves produced in the encounter at leading order in the post-Minkowskian (weak field, but generic velocity) expansion. We reproduce previous results of Kovacs and Thorne in a highly economic way. Then using the waveform we extract the leading-order total radiated angular momentum, reproducing a recent result of Damour. Our work may enable crucial improvements of gravitational-wave predictions in the regime of large relative velocities.

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 Dates: 2021-01-292021-02-032021
 Publication Status: Published in print
 Pages: v2: added figures, cleaned up refs
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 2101.12688
DOI: 10.1103/PhysRevLett.126.201103
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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: 126 (20) Sequence Number: 201103 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1