Post-Minkowskian Scattering Angle in Einstein gravity
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- Cristofoli
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Using the implicit function theorem we demonstrate that solutions to the classical part of the relativistic Lippmann-Schwinger equation are in one-to-one correspondence with those of the energy equation of a relativistic two-body system. A corollary is that the scattering angle can be computed from the amplitude itself, without having to introduce a potential. All results are universal and provide for the case of general relativity a very simple formula for the scattering angle in terms of the classical part of the amplitude, to any order in the post-Minkowskian expansion.
Originalsprog | Engelsk |
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Artikelnummer | 038 |
Tidsskrift | Journal of High Energy Physics (Online) |
Vol/bind | 2020 |
Udgave nummer | 08 |
Antal sider | 21 |
ISSN | 1126-6708 |
DOI | |
Status | Udgivet - 7 aug. 2020 |
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