On the gravitational radiation from the collapse of neutron stars to rotating black holes

Details On the gravitational radiation from the collapse of neutron stars to rotating black holes On the gravitational radiation from the collapse of neutron stars to rotating black holes

2007-01-06

arxiv.org/abs/gr-qc/0701043v1

Class.Quant.Grav.24:S187-S206,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

21 pages, 10 figures; submitted to Classical and Quantum Gravity's special issue on numerical relativity, proceeding of the NF

Scientific paper

10.1088/0264-9381/24/12/S13

We provide details and present additional results on the numerical study of the gravitational-wave emission from the collapse of neutron stars to rotating black holes in three dimensions. More specifically, we concentrate on the advantages and disadvantages of the use of the excision technique and on how alternative approaches to that of excision can be successfully employed. Furthermore, as a first step towards source-characterization, we present a systematic discussion of the influence that rotation and different perturbations have on the waveforms and hence on the energy emitted in gravitational waves.

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