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          Institute: MPI für Gravitationsphysik     Collection: Astrophysical Relativity     Display Documents



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ID: 3227.0, MPI für Gravitationsphysik / Astrophysical Relativity
Nonlinear and Perturbative Evolution of Distorted Black Holes: 2. Odd-parity Modes
Authors:Baker, John; Brandt, Steven; Campanelli, Manuela; Lousto, Carlos O.; Seidel, Edward; Takahashi, Ryoji
Language:English
Date of Publication (YYYY-MM-DD):2000
Title of Journal:Physical Review D
Volume:62
Sequence Number of Article:127701
Review Status:not specified
Abstract / Description:We study fully nonlinear and perturbative evolutions of nonrotating black holes with odd-parity distortions. Perturbative methods proved to be useful in order to interpret the nonlinear results. In particular, they provided insight on the nonlinear dependence of the wave forms with the distortion parameter Q(o) explaining it in terms of the multipole coupling. We also found an increase in the frequency of the wave forms in the nonlinear regime which results from the loss of a noticeable part of the initial total mass of the system to gravitational radiation producing effectively a drifting of the quasinormal frequencies. The nonlinear evolutions have been performed land cross checked) with the 3D parallel code for numerical relativity, CACTUs, and an independent axisymmetric code MAGOR. The linearized ones using the Regge-Wheeler formalism.
External Publication Status:published
Document Type:Article
Communicated by:Bernhard F. Schutz
Affiliations:MPI für Gravitationsphysik/Astrophysical Relativity
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