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New generic ringdown frequencies at the birth of a Kerr black hole

Zimmerman, Aaron and Chen, Yanbei (2011) New generic ringdown frequencies at the birth of a Kerr black hole. Physical Review D, 84 (8). Art. No. 084012. ISSN 0556-2821.

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We discuss a new ringdown frequency mode for vacuum perturbations of the Kerr black hole. We evolve initial data for the vacuum radial Teukolsky equation using a near horizon approximation and find a frequency mode analogous to that found in a recent study of radiation generated by a plunging particle close to the Kerr horizon. We discuss our results in the context of that study. We also explore the utility of this mode by fitting a numerical waveform with a combination of the usual quasinormal modes and the new oscillation frequency.

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Additional Information:© 2011 American Physical Society. Received 3 June 2011; published 6 October 2011. We gratefully thank E. Berti for providing tables of QNM values and also for valuable discussions about the counterrotating QNMs of the Kerr black hole. We thank Jeandrew Brink, Jim Isenberg, David Nichols, and Kip Thorne for useful discussions. A. Z. would also like to thank the National Institute for Theoretical Physics of South Africa for hosting him during the completion of this work. This work was supported by NSF Grants No. PHY-0601459, No. PHY-0653653, No. PHY-1068881, CAREER Grant No. PHY-0956189, the David and Barbara Groce Startup Fund at Caltech, and the Brinson Foundation.
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Caltech David and Barbara Groce FundUNSPECIFIED
Brinson FoundationUNSPECIFIED
Classification Code:PACS: 04.30.-w, 04.25.-g, 04.25.dg
Record Number:CaltechAUTHORS:20111122-090736357
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Official Citation:New generic ringdown frequencies at the birth of a Kerr black hole Aaron Zimmerman and Yanbei Chen Published 6 October 2011 (17 pages) 084012
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:27905
Deposited By: Ruth Sustaita
Deposited On:22 Nov 2011 17:21
Last Modified:17 Dec 2014 18:44

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