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Gauge Invariant Spectral Cauchy Characteristic Extraction

Handmer, Casey J. and Szilágyi, Béla and Winicour, Jeffrey (2015) Gauge Invariant Spectral Cauchy Characteristic Extraction. Classical and Quantum Gravity, 32 (23). Art. No. 235018. ISSN 0264-9381. http://resolver.caltech.edu/CaltechAUTHORS:20151215-102652453

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Abstract

We present gauge invariant spectral Cauchy characteristic extraction. We compare gravitational waveforms extracted from a head-on black hole merger simulated in two different gauges by two different codes. We show rapid convergence, demonstrating both gauge invariance of the extraction algorithm and consistency between the legacy Pitt null code and the much faster Spectral Einstein Code (SpEC).


Item Type:Article
Related URLs:
URLURL TypeDescription
http://arxiv.org/abs/1502.06987arXivDiscussion Paper
http://dx.doi.org/10.1088/0264-9381/32/23/235018DOIArticle
http://iopscience.iop.org/article/10.1088/0264-9381/32/23/235018PublisherArticle
Additional Information:© 2015 IOP Publishing Ltd. Received 27 February 2015, revised 7 August 2015. Accepted for publication 6 October 2015. Published 17 November 2015. Submitted on 24 Feb 2015 (v1), last revised 7 Aug 2015 (this version, (v2) We thank Nicholas Taylor for his generic spinning binary black hole run that we used to test and baseline code performance. We thank Yosef Zlochower for supplying details of the news module in the Pitt null code. We thank Mark Scheel, Yanbei Chen, and Christian Reisswig for their advice, support, and technical expertise, and thank Michael Boyle for comments on the manuscript. This research used the Spectral Einstein Code (SpEC)[25]. The Caltech cluster zwicky.cacr.caltech.edu is an essential resource for SpEC related research, supported by the Sherman Fairchild Foundation and by NSF award PHY-0960291. This research also used the Extreme Science and Engineering Discovery Environment (XSEDE) under grant TG-PHY990002. The UCSD cluster ccom-boom.ucsd.edu was used during code development. This project was supported by the Sherman Fairchild Foundation, and by NSF Grants PHY-1068881, AST-1333520, and CAREER Grant PHY-0956189 at Caltech. JW's research was supported by NSF grant PHY-1201276 to the University of Pittsburgh.
Group:TAPIR
Funders:
Funding AgencyGrant Number
Sherman Fairchild FoundationUNSPECIFIED
NSFPHY-0960291
NSFTG-PHY990002
NSFPHY-1068881
NSFAST-1333520
NSFPHY-0956189
NSFPHY-1201276
Subject Keywords:spectral, gravitational radiation, general relativity, numerical methods, gauge invariance, characteristic extraction, waveform
Record Number:CaltechAUTHORS:20151215-102652453
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20151215-102652453
Official Citation:Casey J Handmer et al 2015 Class. Quantum Grav. 32 235018
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62933
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:15 Dec 2015 19:07
Last Modified:04 Jan 2016 17:57

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