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  A Characteristic Extraction Tool for Gravitational Waveforms

Babiuc, M. C., Szilagyi, B., Winicour, J., & Zlochower, Y. (2011). A Characteristic Extraction Tool for Gravitational Waveforms. Physical Review D, 84: 044057. doi:10.1103/PhysRevD.84.044057.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-0508-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-050A-3
Genre: Journal Article

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1011.4223.pdf (Preprint), 829KB
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 Creators:
Babiuc, M. C., Author
Szilagyi, B., Author
Winicour, J.1, Author
Zlochower, Y., Author
Affiliations:
1AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, escidoc:24008              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: We develop and calibrate a characteristic waveform extraction tool whose major improvements and corrections of prior versions allow satisfaction of the accuracy standards required for advanced LIGO data analysis. The extraction tool uses a characteristic evolution code to propagate numerical data on an inner worldtube supplied by a 3+1 Cauchy evolution to obtain the gravitational waveform at null infinity. With the new extraction tool, high accuracy and convergence of the numerical error can be demonstrated for an inspiral and merger of mass M binary black holes even for an extraction worldtube radius as small as R = 20M. The tool provides a means for unambiguous comparison between waveforms generated by evolution codes based upon different formulations of the Einstein equations and based upon different numerical approximations.

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 Dates: 2010-11-182011-08-082011
 Publication Status: Published in print
 Pages: 30 pages, 15 figures, submitted to Physical Review D
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1011.4223
DOI: 10.1103/PhysRevD.84.044057
URI: http://arxiv.org/abs/1011.4223
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : Published for the American Physical Society by the American Institute of Physics
Pages: - Volume / Issue: 84 Sequence Number: 044057 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111088197762258