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          Institute: MPI für Gravitationsphysik     Collection: Geometric Analysis and Gravitation     Display Documents



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ID: 50946.0, MPI für Gravitationsphysik / Geometric Analysis and Gravitation
A numerical relativistic model of a massive particle in orbit near a Schwarzschild black hole
Authors:Bishop, Nigel T.; Gomez, Roberto; Husa, Sascha; Lehner, Luis
Language:English
Date of Publication (YYYY-MM-DD):2003
Title of Journal:Physical Review D
Volume:68
Sequence Number of Article:084015
Review Status:not specified
Audience:Not Specified
Abstract / Description:We present a method for computing the evolution of a spacetime containing a massive particle and a black hole. The essential idea is that the gravitational field is evolved using full numerical relativity, with the particle generating a non-zero source term in the Einstein equations. The matter fields are not evolved by hydrodynamic equations. Instead the particle is treated as a rigid body whose center follows a geodesic. The necessary theoretical framework is developed and then implemented in a computer code that uses the null-cone, or characteristic, formulation of numerical relativity. The performance of the code is illustrated in test runs, including a complete orbit (near r = 9M) of a Schwarzschild black hole.
External Publication Status:published
Document Type:Article
Communicated by:Gerhard Huisken
Affiliations:MPI für Gravitationsphysik/Geometric Analysis and Gravitation
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