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

Hannam, Mark ORCID: https://orcid.org/0000-0001-5571-325X, 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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Abstract

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
URI:	https://orca.cardiff.ac.uk/id/eprint/50327

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