Reisswig, C. and Ott, C. D. and Abdikamalov, E. and Haas, R. and Mösta, P. and Schnetter, E. (2013) Formation and Coalescence of Cosmological Supermassive-Black-Hole Binaries in Supermassive-Star Collapse. Physical Review Letters, 111 (15). Art. No. 151101. ISSN 0031-9007. doi:10.1103/PhysRevLett.111.151101. https://resolver.caltech.edu/CaltechAUTHORS:20131106-100213472
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Use this Persistent URL to link to this item: https://resolver.caltech.edu/CaltechAUTHORS:20131106-100213472
Abstract
We study the collapse of rapidly rotating supermassive stars that may have formed in the early Universe. By self-consistently simulating the dynamics from the onset of collapse using three-dimensional general-relativistic hydrodynamics with fully dynamical spacetime evolution, we show that seed perturbations in the progenitor can lead to the formation of a system of two high-spin supermassive black holes, which inspiral and merge under the emission of powerful gravitational radiation that could be observed at redshifts z≳10 with the DECIGO or Big Bang Observer gravitational-wave observatories, assuming supermassive stars in the mass range 10^4–10^6M⊙. The remnant is rapidly spinning with dimensionless spin a*=0.9. The surrounding accretion disk contains ∼10% of the initial mass.
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Additional Information: | © 2013 American Physical Society. Received 29 April 2013; published 7 October 2013. We acknowledge helpful discussions with Volker Bromm, Sterl Phinney, Michele Vallisneri, and members of our Simulating eXtreme Spacetimes (SXS) collaboration (http://www.black-holes.org). This research is partially supported by NSF Grants No. PHY-1151197, No. AST-1212170, No. PHY-1212460, and No. OCI-0905046, by the Alfred P. Sloan Foundation, and by the Sherman Fairchild Foundation. C. R. acknowledges support by NASA through Einstein Postdoctoral Fellowship Grant No. PF2-130099 given by the Chandra X-Ray Center, which is operated by the Smithsonian Astrophysical Observatory for NASA under Contract No. NAS8-03060. R.H. acknowledges support by the Natural Sciences and Engineering Council of Canada. The simulations were performed on the Caltech compute cluster Zwicky (NSF MRI Grant No. PHY-0960291), on supercomputers of the NSF XSEDE network under computer time allocation TG-PHY100033, on machines of the Louisiana Optical Network Initiative under Grant No. loni_numrel08, and at the National Energy Research Scientific Computing Center (NERSC), which is supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. | ||||||||||||||||||||||||||||||
Group: | TAPIR | ||||||||||||||||||||||||||||||
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Issue or Number: | 15 | ||||||||||||||||||||||||||||||
Classification Code: | PACS: 04.25.D-, 04.30.Db, 97.60.Bw, 98.80.-k | ||||||||||||||||||||||||||||||
DOI: | 10.1103/PhysRevLett.111.151101 | ||||||||||||||||||||||||||||||
Record Number: | CaltechAUTHORS:20131106-100213472 | ||||||||||||||||||||||||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20131106-100213472 | ||||||||||||||||||||||||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||||||
ID Code: | 42268 | ||||||||||||||||||||||||||||||
Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||||||
Deposited By: | Tony Diaz | ||||||||||||||||||||||||||||||
Deposited On: | 06 Nov 2013 19:16 | ||||||||||||||||||||||||||||||
Last Modified: | 10 Nov 2021 16:20 |
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