Preparing the State of a Black Hole

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Measurements of the mass or angular momentum of a black hole are onerous, particularly if they have to be frequently repeated, as when one is required to transform a black hole to prescribed parameters. Irradiating a black hole of the Kerr-Newman family with scalar or electromagnetic waves provides a way to drive it to prescribed values of its mass, charge and angular momentum without the need to repeatedly measure mass or angular momentum throughout the process. I describe the mechanism, which is based on Zel'dovich-Misner superradiance and its analog for charged black holes. It represents a possible step in the development of preparation procedures for quantum black holes.
Essay in honor of Mario Novello's sixtieth birthday. LaTeX 209, 12 pages, no figures

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General Relativity and Quantum Cosmology, Astrophysics, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/34764

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0311087
 http://arxiv.org/abs/gr-qc/0311087
 Inquiring the Universe, ed. J. M. Salim, S. E. P. Bergliaffa, L. A. Oliveira and V. A. De Lorenci (Frontier Group 2003), pp 17-32

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arXiv