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          Institute: MPI für Gravitationsphysik     Collection: Cactus Group     Display Documents



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ID: 3364.0, MPI für Gravitationsphysik / Cactus Group
3D grazing collision of two black holes
Authors:Alcubierre, Miguel; Benger, Werner; Bruegmann, Bernd; Lanfermann, Gerd; Nerger, Lars; Seidel, Edward; Takahashi, Ryoji
Language:English
Date of Publication (YYYY-MM-DD):2001-12-31
Title of Journal:Physical Review Letters
Volume:87
Issue / Number:27
Sequence Number of Article:271103
Review Status:not specified
Abstract / Description:We present results for two colliding black holes (BHs), with angular momentum, spin, and unequal mass. For the first time, gravitational waveforms are computed for a grazing collision from a full 3D numerical evolution. The collision can be followed through the merger to form a single BH, and through part of the ringdown period of the final BH. The apparent horizon is tracked and studied, and physical parameters, such as the mass of the final BH, are computed. The total energy radiated in gravitational waves is shown to be consistent with the total initial mass of the spacetime and the apparent horizon mass of the final BH.
External Publication Status:published
Document Type:Article
Communicated by:Bernhard F. Schutz
Affiliations:MPI für Gravitationsphysik/Cactus group
MPI für Gravitationsphysik/Astrophysical Relativity
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