Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2010-12-09
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
6 pages, 6 figures, accepted for publication in Physical Review D
Scientific paper
We show that a quantum scalar particle in the gravitational field of a massive body of radius R which slightly exceeds the Schwarzschild radius r_s, possesses a dense spectrum of narrow resonances. Their lifetimes and density tend to infinity in the limit R -> r_s. We determine the cross section of the particle capture into these resonances and show that it is equal to the absorption cross section for a Schwarzschild black hole. Thus, a non-singular static metric acquires black-hole properties before the actual formation of a black hole.
Flambaum Victor V.
Gossel G. H.
Gribakin G. F.
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