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Numerical relativity simulation of GW150914 beyond general relativity

Okounkova, Maria and Stein, Leo C. and Moxon, Jordan and Scheel, Mark A. and Teukolsky, Saul A. (2020) Numerical relativity simulation of GW150914 beyond general relativity. Physical Review D, 101 (10). Art. No. 104016. ISSN 2470-0010. doi:10.1103/PhysRevD.101.104016.

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We produce the first astrophysically relevant numerical binary black hole gravitational waveform in a higher-curvature theory of gravity beyond general relativity. We simulate a system with parameters consistent with GW150914, the first LIGO detection, in order-reduced dynamical Chern-Simons gravity, a theory with motivations in string theory and loop quantum gravity. We present results for the leading-order corrections to the merger and ringdown waveforms, as well as the ringdown quasinormal mode spectrum. We estimate that such corrections may be discriminated in detections with signal to noise ratio ≳180–240, with the precise value depending on the dimension of the GR waveform family used in data analysis.

Item Type:Article
Related URLs:
URLURL TypeDescription Paper
Okounkova, Maria0000-0001-7869-5496
Stein, Leo C.0000-0001-7559-9597
Teukolsky, Saul A.0000-0001-9765-4526
Additional Information:© 2020 American Physical Society. Received 15 November 2019; accepted 15 April 2020; published 7 May 2020. We thank Vijay Varma for computing the mismatch in Sec. III C. We thank Katerina Chatziioannou, Chad Galley, Francois Hebert for helpful discussions. We thank Dante Iozzo for useful comments on this manuscript. This work was supported in part by the Sherman Fairchild Foundation, and NSF Grants No. PHY-1708212 and No. PHY-1708213 at Caltech and No. PHY-1606654 at Cornell. The Flatiron Institute is supported by the Simons Foundation. L. C. S. acknowledges support from Award No. 80NSSC19M0053 to the MS NASA EPSCoR RID Program. All computations were performed on the Wheeler cluster at Caltech, which is supported by the Sherman Fairchild Foundation and by Caltech. All simulations are performed using the Spectral Einstein Code (SpEC) [45].
Group:TAPIR, Walter Burke Institute for Theoretical Physics
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Sherman Fairchild FoundationUNSPECIFIED
Simons FoundationUNSPECIFIED
Issue or Number:10
Record Number:CaltechAUTHORS:20200507-131200040
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:103075
Deposited By: Tony Diaz
Deposited On:07 May 2020 21:05
Last Modified:16 Nov 2021 18:18

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