Periastron Advance in Spinning Black Hole Binaries: Gravitational Self-Force from Numerical Relativity
Sep 2, 2013
18 pages
Published in:
- Phys.Rev.D 88 (2013) 12, 124027
- Published: Dec 9, 2013
e-Print:
- 1309.0541 [gr-qc]
View in:
Citations per year
Abstract: (APS)
We study the general relativistic periastron advance in spinning black hole binaries on quasicircular orbits, with spins aligned or antialigned with the orbital angular momentum, using numerical-relativity simulations, the post-Newtonian approximation, and black hole perturbation theory. By imposing a symmetry by exchange of the bodies’ labels, we devise an improved version of the perturbative result and use it as the leading term of a new type of expansion in powers of the symmetric mass ratio. This allows us to measure, for the first time, the gravitational self-force effect on the periastron advance of a nonspinning particle orbiting a Kerr black hole of mass M and spin S=-0.5M2, down to separations of order 9M. Comparing the predictions of our improved perturbative expansion with the exact results from numerical simulations of equal-mass and equal-spin binaries, we find a remarkable agreement over a wide range of spins and orbital separations.Note:
- 18 pages, 12 figures; matches version to appear in Phys. Rev. D
- 04.25.D-
- 04.25.dg
- 04.25.Nx
- 04.30.-w
- black hole: binary
- black hole: mass
- black hole: Kerr
- gravitation: self-force
- black hole: spin
- numerical calculations
References(67)
Figures(20)
- [1]
- [15]
- [3]
- [4]
- [5]
- [6]
- [7]
- [7]
- [8]
- [9]
- [10]
- [11]
- [12]
- [13]
- [14]
- [15]
- [15]
- [16]
- [17]
- [18]
- [19]
- [20]
- [21]
- [22]
- [23]