Preparing the State of a Black Hole

Details Preparing the State of a Black Hole Preparing the State of a Black Hole

2003-11-27

arxiv.org/abs/gr-qc/0311087v1

Inquiring the Universe, ed. J. M. Salim, S. E. P. Bergliaffa, L. A. Oliveira and V. A. De Lorenci (Frontier Group 2003), pp 17

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Essay in honor of Mario Novello's sixtieth birthday. LaTeX 209, 12 pages, no figures

Scientific paper

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.

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