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Title: Head-on collisions of unequal mass black holes in D=5 dimensions
Author: Witek, Helvi
Cardoso, Vitor
Gualtieri, Leonardo
Herdeiro, Carlos
Sperhake, Ulrich
Zilhao, Miguel
Issue Date: 2011
Publisher: American Physical Society
Abstract: We study head-on collisions of unequal mass black hole binaries in D = 5 spacetime dimensions, with mass ratios between 1:1 and 1:4. Information about gravitational radiation is extracted by using the Kodama-Ishibashi gauge-invariant formalism and details of the apparent horizon of the final black hole. We present waveforms, total integrated energy and momentum for this process. Our results show surprisingly good agreement, within 5% or less, with those extrapolated from linearized, point-particle calculations. Our results also show that consistency with the area theorem bound requires that the same process in a large number of spacetime dimensions must display new features.
Peer review: yes
DOI: 10.1103/PhysRevD.83.044017
ISSN: 1550-7998
Appears in Collections:DFis - Artigos

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