Radiative Evolution of Orbits Around a Kerr Black Hole

Abstract

We propose a simple approach for the radiative evolution of generic orbits around a Kerr black hole. For a scalar-field, we recover the standard results for the evolution of the energy $E$ and the azimuthal angular momentum $L_z$ . In addition, our method provides a closed expression for the evolution of the Carter constant $Q$.

6 pages, Plain TeX, Published in Phys. Lett. A. 202, 347 (3 July 1995)

References in corpus (1)

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• Instability of scalar charges in 1+1D and 2+1D
• Self-force of a scalar charge in the space-time of extreme charged anti-dilatonic wormhole
• The Carter Constant for Inclined Orbits About a Massive Kerr Black Hole: I. circular orbits