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The gravitational wave strain in the characteristic formalism of numerical relativity

Nigel, T. Bishop and Reisswig, Christian (2014) The gravitational wave strain in the characteristic formalism of numerical relativity. General Relativity and Gravitation, 46 (1). Art. No. 1643. ISSN 0001-7701. http://resolver.caltech.edu/CaltechAUTHORS:20140424-093149508

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Abstract

The extraction of the gravitational wave signal, within the context of a characteristic numerical evolution is revisited. A formula for the gravitational wave strain is developed and tested, and is made publicly available as part of the PITT code within the Einstein Toolkit. Using the new strain formula, we show that artificial non-linear drifts inherent in time integrated waveforms can be reduced for the case of a binary black hole merger configuration. For the test case of a rapidly spinning stellar core collapse model, however, we find that the drift must have different roots.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1007/s10714-013-1643-5 DOIArticle
http://link.springer.com/article/10.1007%2Fs10714-013-1643-5PublisherArticle
http://arxiv.org/abs/1308.1521arXivDiscussion Paper
http://rdcu.be/tDwPPublisherFree ReadCube access
Additional Information:© 2013 Springer Science+Business Media New York. Received: 7 August 2013; Accepted: 13 November 2013; Published online: 13 December 2013. We would like to thank: the National Research Foundation, South Africa, for financial support; California Institute of Technology, USA, and Max-Planck Institute for Gravitational Physics, Germany, for hospitality; and Denis Pollney and Jeffrey Winicour for discussions. C.R. acknowledges support by NASA through Einstein Postdoctoral Fellowship Grant Number PF2-130099 awarded by the Chandra X-ray center, which is operated by the Smithsonian Astrophysical Observatory for NASA under contract NAS8-03060.
Group:TAPIR
Funders:
Funding AgencyGrant Number
National Research Foundation (South Africa)UNSPECIFIED
CaltechUNSPECIFIED
Max-Planck Institute for Gravitational Physics (Germany)UNSPECIFIED
NASA Einstein FellowshipPF2-130099
NASANAS8-03060
Record Number:CaltechAUTHORS:20140424-093149508
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140424-093149508
Official Citation:Bishop, N.T. & Reisswig, C. Gen Relativ Gravit (2014) 46: 1643. doi:10.1007/s10714-013-1643-5
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:45182
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:24 Apr 2014 22:09
Last Modified:22 Jun 2017 18:42

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