On the linear stability of the extreme Kerr black hole under axially symmetric perturbations

Feb 12, 2014
30 pages
Published in:
  • Class.Quant.Grav. 31 (2014) 19, 195009
  • Published: Sep 18, 2014
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Abstract: (IOP)
We prove that for axially symmetric linear gravitational perturbations of the extreme Kerr black hole, there exists a positive definite and conserved energy. This provides a basic criteria for linear stability in axial symmetry. In the particular case of Minkowski, using this energy we also prove the pointwise boundedness of the perturbation in a remarkably simple way.
Note:
  • 35 pages. 2 figures. Relevant improvement in the presentation in section 2.2
  • 04.20.Ex
  • 04.20.Dw
  • 04.70.Bw
  • stability
  • extreme Kerr black hole