High Energy Physics - Theory
[Submitted on 26 Nov 2021 (v1), last revised 13 Feb 2024 (this version, v4)]
Title:The 2PM Hamiltonian for binary Kerr to quartic in spin
View PDFAbstract:From the S-matrix of spinning particles, we extract the 2 PM conservative potential for binary spinning black holes up to quartic order in spin operators. An important ingredient is the exponentiated gravitational Compton amplitude in the classical spin-limit for all graviton helicity sectors. The validity of the resulting Hamiltonian is verified by matching to known lower spin order results, as well as direct computation of the 2PM impulse and spin kicks from the eikonal phase and that from the test black hole scattering based on Mathisson-Papapetrou-Dixon equations.
Submission history
From: Jung-Wook Kim [view email][v1] Fri, 26 Nov 2021 18:07:30 UTC (351 KB)
[v2] Mon, 29 Nov 2021 18:58:38 UTC (351 KB)
[v3] Thu, 18 Aug 2022 12:54:47 UTC (353 KB)
[v4] Tue, 13 Feb 2024 17:57:59 UTC (345 KB)
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