paper

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

arXiv:gr-qc/0701043 · doi:10.1088/0264-9381/24/12/S13

Abstract

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.

arXiv comment21 pages, 10 figures; submitted to Classical and Quantum Gravity's special issue on numerical relativity, proceeding of the NFNR conference, Potsdam 2006

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