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  All Things Retarded: Radiation-Reaction in Worldline Quantum Field Theory

Jakobsen, G. U., Mogull, G., Plefka, J., & Sauer, B. (2022). All Things Retarded: Radiation-Reaction in Worldline Quantum Field Theory. Journal of High Energy Physics, 2022(10): 128. doi:10.1007/JHEP10(2022)128.

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2207.00569.pdf (Preprint), 746KB
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 Creators:
Jakobsen, Gustav Uhre1, Author           
Mogull, Gustav1, Author           
Plefka, Jan, Author
Sauer, Benjamin, 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: We exhibit an initial-value formulation of the worldline quantum field theory




(WQFT) approach to the classical two-body problem in general relativity. We




show that the Schwinger-Keldysh (in-in) formalism leads to purely retarded




propagators in the evaluation of observables in the WQFT. Integration




technology for retarded master integrals is introduced at third




post-Minkowskian (3PM) order. As an application we compute the complete




radiation-reacted impulse and radiated four momentum for the scattering of two




non-spinning neutron stars including tidal effects at 3PM order, as well as the




leading (2PM) far-field gravitational waveform.



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 Dates: 2022-07-012022
 Publication Status: Issued
 Pages: 40 pages including refs
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 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 2207.00569
DOI: 10.1007/JHEP10(2022)128
 Degree: -

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Title: Journal of High Energy Physics
Source Genre: Journal
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Pages: - Volume / Issue: 2022 (10) Sequence Number: 128 Start / End Page: - Identifier: -