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          Institute: MPI für Gravitationsphysik     Collection: Astrophysical Relativity     Display Documents



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ID: 398318.0, MPI für Gravitationsphysik / Astrophysical Relativity
Wormholes and trumpets: Schwarzschild spacetime for the moving-puncture generation
Authors:Hannam, Mark; Husa, Sascha; Ohme, Frank; Brügmann, Bernd; O'Murchadha, Niall
Date of Publication (YYYY-MM-DD):2008-09-08
Title of Journal:Physical Review D
Volume:78
Issue / Number:6
Sequence Number of Article:064020
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:We expand upon our previous analysis of numerical moving-puncture simulations of the Schwarzschild spacetime. We present a derivation of the family of analytic stationary 1+log foliations of the Schwarzschild solution, and outline a transformation to isotropic coordinates. We discuss in detail the numerical evolution of standard Schwarzschild puncture data, and the new time-independent 1+log data. Finally, we demonstrate that the moving-puncture method can locate the appropriate stationary geometry in a robust manner when a numerical code alternates between two forms of 1+log slicing during a simulation.
External Publication Status:published
Document Type:Article
Communicated by:Bernhard F. Schutz
Affiliations:MPI für Gravitationsphysik/Astrophysical Relativity
Identifiers:URL:http://link.aps.org/doi/10.1103/PhysRevD.78.064020
ISSN:1089-4918
DOI:10.1103/PhysRevD.78.064020
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