Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2001-08-03
Phys.Rev.Lett. 87 (2001) 231302
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
5 pages, REVTEX style, 1 figure, main results unchanged, revised to improve clarity; version accepted by Phys. Rev. Lett
Scientific paper
10.1103/PhysRevLett.87.231302
We investigate how braneworld gravity affects gravitational collapse and black hole formation by studying Oppenheimer-Snyder-like collapse on a Randall-Sundrum type brane. Without making any assumptions about the bulk, we prove a no-go theorem: the exterior spacetime on the brane cannot be static, which is in stark contrast with general relativity. We also consider the role of Kaluza-Klein energy density in collapse, using a toy model.
Bruni Marco
Germani Cristiano
Maartens Roy
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