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Wormholes and trumpets: Schwarzschild spacetime for the moving-puncture generation

Hannam, Mark ORCID:, Husa, S., Ohme, Frank, Brugmann, B. and Murchadha, N. O. 2008. Wormholes and trumpets: Schwarzschild spacetime for the moving-puncture generation. Physical Review D 78 (6) , 064020. 10.1103/PhysRevD.78.064020

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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 þ 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 þ 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 þ log slicing during a simulation.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Publisher: American Physical Society
ISSN: 0556-2821
Last Modified: 24 Oct 2022 12:03

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