Published August 7, 2011
| public
Journal Article
Initial data transients in binary black hole evolutions
Abstract
We describe a method for initializing characteristic evolutions of the Einstein equations using a linearized solution corresponding to purely outgoing radiation. This allows for a more consistent application of the characteristic (null cone) techniques for invariantly determining the gravitational radiation content of numerical simulations. In addition, we are able to identify the ingoing radiation contained in the characteristic initial data, as well as in the initial data of the 3 + 1 simulation. We find that each component leads to a small but long lasting (several hundred mass scales) transient in the measured outgoing gravitational waves.
Additional Information
© 2011 IOP Publishing Ltd. Received 28 January 2011, in final form 13 May 2011. Published 4 July 2011. The authors would like to thank Sascha Husa and C D Ott for helpful discussions. The authors have enjoyed the hospitality of Rhodes University, the Max-Planck-Institut für Gravitationsphysik, Caltech and Universitat de les Illes Balears during the course of this work. This work was supported by the National Research Foundation, South Africa, Bundesministerium für Bildung und Forschung, and the National Science Foundation under grant numbers AST-0855535 and OCI-0905046. CR's travel was supported by C D Ott. DP has been supported by grants CSD2007-00042 and FPA-2007-60220 of the Spanish Ministry of Science. Computations were performed on the NSF Teragrid (allocation TG-MCA02N014 and TG-PHY100033), the LONI network (www.loni.org) under allocation loni_numrel05, the Barcelona Supercomputing Center, and on the Caltech compute cluster 'Zwicky' (NSF MRI award No. PHY-0960291).Additional details
- Eprint ID
- 24518
- Resolver ID
- CaltechAUTHORS:20110725-090229085
- National Research Foundation, South Africa
- Bundesministerium für Bildung und Forschung
- AST-0855535
- NSF
- OCI-0905046
- NSF
- CSD2007-00042
- Spanish Minitry of Science
- FPA-2007-60220
- Spanish Minitry of Science
- PHY-0960291
- NSF MRI
- Created
-
2011-07-25Created from EPrint's datestamp field
- Updated
-
2022-07-12Created from EPrint's last_modified field
- Caltech groups
- TAPIR