Classical gravitational scattering amplitude at O(G2S∞1S∞2)

被引：31
作者：
Aoude, Rafael [1 ]
Haddad, Kays [2 ,3 ,4 ]
Helset, Andreas [5 ]
机构：
[1] Catholic Univ Louvain, Ctr Cosmol Particle Phys & Phenomenol CP3, B-1348 Louvain La Neuve, Belgium
[2] Uppsala Univ, Dept Phys & Astron, POB 516, S-75120 Uppsala, Sweden
[3] Stockholm Univ, Nordita, Hannes Alfvens Vag 12, S-10691 Stockholm, Sweden
[4] KTH Royal Inst Technol, Hannes Alfvens Vag 12, S-10691 Stockholm, Sweden
[5] CALTECH, Walter Burke Inst Theoret Phys, Pasadena, CA 91125 USA
来源：
PHYSICAL REVIEW D | 2023年 / 108卷 / 02期
关键词：
BLACK-HOLE;
D O I：
10.1103/PhysRevD.108.024050
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We calculate the scattering amplitude of two rotating objects with the linear-in-curvature spin-induced multipoles of Kerr black holes at O(G2) and all orders in the spins of both objects. This is done including the complete set of contact terms potentially relevant to Kerr-black-hole scattering at O(G2). As such, Kerr black holes should be described by this scattering amplitude for a specific choice of values for the contact-term coefficients. The inclusion of all potential contact terms means this amplitude allows for a comprehensive search for structures emerging for certain values of the coefficients, and hence special properties that might be exhibited by Kerr-black-hole scattering. Our result can also act as a template for comparison for future computations of classical gravitational high-spin scattering.
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页数：18
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