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  Making use of geometrical invariants in black hole collisions

Baker, J. G., & Campanelli, M. (2000). Making use of geometrical invariants in black hole collisions. Physical Review D, 62, 127501.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-57A5-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-57A6-F
Genre: Journal Article

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2794.pdf (Publisher version), 54KB
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 Creators:
Baker, John G.1, Author
Campanelli, Manuela1, Author
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1Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24013              

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 Abstract: We consider curvature invariants in the context of black hole collision simulations. In particular, we propose a simple and elegant combination of the Weyl invariants I and J, the speciality index [script S]. In the context of black hole perturbations [script S] provides a measure of the size of the distortions from an ideal Kerr black hole spacetime. Explicit calculations in well-known examples of axisymmetric black hole collisions demonstrate that this quantity may serve as a useful tool for predicting in which cases the close limit can provide an accurate estimate of the radiation wave form and energy. This makes [script S] particularly suited to studying the transition from nonlinear to linear dynamics and for an invariant interpretation of numerical results.

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Language(s): eng - English
 Dates: 2000
 Publication Status: Published in print
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 Identifiers: eDoc: 2794
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Title: Physical Review D
Source Genre: Journal
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Pages: - Volume / Issue: 62 Sequence Number: - Start / End Page: 127501 Identifier: -