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Quasicircular orbits for spinning binary black holes

Pfeiffer, Harald P. and Teukolsky, Saul A. and Cook, Gregory B. (2000) Quasicircular orbits for spinning binary black holes. Physical Review D, 62 (10). Art. No. 104018. ISSN 0556-2821. http://resolver.caltech.edu/CaltechAUTHORS:20180605-154306927

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Abstract

Using an effective potential method we examine binary black holes where the individual holes carry spin. We trace out sequences of quasi-circular orbits and locate the innermost stable circular orbit (ISCO) as a function of spin. At large separations, the sequences of quasi-circular orbits match well with post-Newtonian expansions, although a clear signature of the simplifying assumption of conformal flatness is seen. The position of the ISCO is found to be strongly dependent on the magnitude of the spin on each black hole. At close separations of the holes, the effective potential method breaks down. In all cases where an ISCO could be determined, we found that an apparent horizon encompassing both holes forms for separations well inside the ISCO. Nevertheless, we argue that the formation of a common horizon is still associated with the breakdown of the effective potential method.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1103/PhysRevD.62.104018DOIArticle
https://arxiv.org/abs/gr-qc/0006084arXivDiscussion Paper
Additional Information:© 2000 American Physical Society. (Received 22 June 2000; published 19 October 2000) We thank Larry Kidder and Mark Scheel for helpful discussions. This work was supported in part by NSF grants PHY-9800737 and PHY-9900672 and NASA grant NAG5-7264 to Cornell University and NSF grant PHY-9988581 to Wake Forest University. Computations were performed on the IBM SP2 at Cornell Theory Center and on the Wake Forest University Department of Physics IBM SP2 with support from an IBM SUR grant.
Funders:
Funding AgencyGrant Number
NSFPHY-9800737
NSFPHY-9900672
NASANAG5-7264
NSFPHY-9988581
IBMUNSPECIFIED
Classification Code:PACS number~s!: 04.25.Dm, 04.70.2s
Record Number:CaltechAUTHORS:20180605-154306927
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20180605-154306927
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:86808
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:05 Jun 2018 22:47
Last Modified:05 Jun 2018 22:47

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