Fragmentation of general relativistic quasi-toroidal polytropes

Details Fragmentation of general relativistic quasi-toroidal polytropes Fragmentation of general relativistic quasi-toroidal polytropes

2007-04-03

arxiv.org/abs/0704.0431v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

2 pages, 1 figure. Submitted to the Proceedings of the 11th Marcel Grossmann Meeting (MG11) in Berlin, Germany, July 23-29, 20

Scientific paper

We investigate the role of rotational instabilities in the context of black hole formation in relativistic stars. In addition to the standard scenario - an axially symmetric dynamical instability forming a horizon at the star's center - the recently found low-$T/|W|$ instabilities are shown to lead to fragmentation and off-center horizon formation in differentially rotating stars. This process might be an alternative pathway to produce SMBHs from supermassive stars with inefficient angular momentum transport.

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