Escaping from the black hole?

Details Escaping from the black hole? Escaping from the black hole?

2006-04-10

arxiv.org/abs/hep-th/0604075v2

JHEP 0609 (2006) 061

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, 2 figures, published version

Scientific paper

10.1088/1126-6708/2006/09/061

We show that if there exists a special kind of Born-Infeld type scalar field, then one can send information from inside a black hole. This information is encoded in perturbations of the field propagating in non-trivial scalar field backgrounds, which serves as a "new ether". Although the theory is Lorentz-invariant it allows, nevertheless, the superluminal propagation of perturbations with respect to the "new ether". We found the stationary solution for background, which describes the accretion of the scalar field onto a black hole. Examining the propagation of small perturbations around this solution we show the signals emitted inside the horizon can reach an observer located outside the black hole. We discuss possible physical consequences of this result.

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