Instabilities of naked singularities and black hole interiors in General Relativity

Details Instabilities of naked singularities and black hole interiors in General Relativity Instabilities of naked singularities and black hole interiors in General Relativity

2008-09-30

arxiv.org/abs/0810.0025v1

Int.J.Mod.Phys.A24:1578-1582,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Review talk given at the 7th Friedmann Seminar, Joao Pessoa, Brazil, July 2008

Scientific paper

10.1142/S0217751X09045030

Metrics representing black holes in General Relativity may exhibit naked singularities for certain values of their parameters. This is the case for super-extremal ($J^2 > M>0$) Kerr and super-extremal ($|Q|>M>0$) Reissner-N\"ordstrom spacetimes, and also for the negative mass Schwarzschild spacetime. We review our recent work where we show that these nakedly singular spacetimes are unstable under linear gravitational perturbations, a result that supports the cosmic censorship conjecture, and also that the inner stationary region beyond the inner horizon of a Kerr black hole ($J^2

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