Dynamics of extended bodies in a Kerr spacetime with spin-induced quadrupole tensor

被引：18

作者：

Bini, Donato ^{[1
]}

Faye, Guillaume ^{[2
]}

Geralico, Andrea ^{[1
]}

机构：

[1] CNR, Ist Applicaz Calcolo M Picone, I-00185 Rome, Italy

[2] Univ Paris 06, Sorbonne Univ, UMR CNRS 7095, GReCO,Inst Astrophys Paris, F-75014 Paris, France

来源：

PHYSICAL REVIEW D | 2015年 / 92卷 / 10期

关键词：

GENERAL-RELATIVITY; GRAVITATIONAL-WAVES; CENTRIFUGAL FORCES; PARTICLES; MOMENTS; MOTION; FRAMES; ORBIT;

D O I：

10.1103/PhysRevD.92.104003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The features of equatorial motion of an extended body in Kerr spacetime are investigated in the framework of the Mathisson-Papapetrou-Dixon model. The body is assumed to stay at quasiequilibrium and respond instantly to external perturbations. Besides the mass, it is completely determined by its spin, the multipolar expansion being truncated at the quadrupole order, with a spin-induced quadrupole tensor. The study of the radial effective potential allows us to analytically determine the innermost stable circular orbit shift due to spin and the associated frequency of the last circular orbit.

引用

页数：24

共 10 条

[1] Dynamics of extended bodies with spin-induced quadrupole in Kerr spacetime: generic orbits
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GENERAL RELATIVITY AND GRAVITATION, 2017, 49 (03)
[2] Dynamics of extended bodies with spin-induced quadrupole in Kerr spacetime: generic orbits
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General Relativity and Gravitation, 2017, 49
[3] Extended bodies with spin induced quadrupoles on circular equatorial orbits in Kerr spacetime
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[9] Testing the Kerr nature of supermassive and intermediate-mass black hole binaries using spin-induced multipole moment measurements
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[10] Constraints on the binary black hole nature of GW151226 and GW170608 from the measurement of spin-induced quadrupole moments
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