Energy of Kerr-Newman Black-Holes and Gravitomagnetism

Details Energy of Kerr-Newman Black-Holes and Gravitomagnetism Energy of Kerr-Newman Black-Holes and Gravitomagnetism

2004-07-07

arxiv.org/abs/gr-qc/0407026v3

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages including front cover

Scientific paper

New formulae are obtained for the energy of K.N. b.h.'s that point out a gravitomagnetic energy effect. The results are valid for slowly or rapidly rotating black-holes. The expression of the energy density of Kerr-Newman back-holes in the slow rotation case, is obtained afterwards, and shown to be essentially positive. Subsequently,we show how to attain a "repulsive" gravitation (antigravitation) state identified with negative energy distribution contents in a limited region of space, without violating the Positive Energy Theorem.

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