Dynamics of perturbations of rotating black holes


Krivan, William, Laguna, Pablo, Papadopoulos, Philippos and Andersson, Nils (1997) Dynamics of perturbations of rotating black holes. Physical Review D, 56, (6), 3395-3404. (doi:10.1103/PhysRevD.56.3395).

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Original Publication URL: http://dx.doi.org/10.1103/PhysRevD.56.3395

Description/Abstract

We present a numerical study of the time evolution of perturbations of rotating black holes. The solutions are obtained by integrating the Teukolsky equation written as a first order in time, coupled system of equations. We address the numerical difficulties of solving the equation in its original form. We follow the propagation of generic initial data through the burst, quasinormal ringing and power-law tail phases. In particular, we calculate the effects due to the rotation of the black hole on the scattering of incident gravitational wave pulses. These effects include the amplitude enhancement due to so-called super-radiance. The results may help explain how the angular momentum of the black hole affects the gravitational waves that are generated during the final stages of black hole coalescence.

Item Type: Article
Related URLs:
Subjects: Q Science > QB Astronomy
Q Science > QA Mathematics
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > School of Mathematics > Applied Mathematics
ePrint ID: 29167
Date Deposited: 07 Feb 2007
Last Modified: 27 Mar 2014 18:17
URI: http://eprints.soton.ac.uk/id/eprint/29167

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