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  Assessing the Energetics of Spinning Binary Black Hole Systems

Ossokine, S., Dietrich, T., Foley, E., Katebi, R., & Lovelace, G. (2018). Assessing the Energetics of Spinning Binary Black Hole Systems. Physical Review D, 98: 104057. doi:10.1103/PhysRevD.98.104057.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-3A70-D Version Permalink: http://hdl.handle.net/21.11116/0000-0004-3A71-C
Genre: Journal Article

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Ossokine, Serguei1, Author              
Dietrich, Tim1, Author              
Foley , Evan, Author
Katebi, Reza, Author
Lovelace, Geoffrey, Author
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: In this work we study the dynamics of spinning binary black hole systems in the strong field regime. For this purpose we extract from numerical relativity simulations the binding energy, specific orbital angular momentum, and gauge-invariant orbital frequency. The goal of our work is threefold: First, we extract the individual spin contributions to the binding energy, in particular the spin-orbit, spin-spin, and cubic-in-spin terms. Second, we compare our results with predictions from waveform models and find that while post-Newtonian approximants are not capable of representing the dynamics during the last few orbits before merger, there is good agreement between our data and effective-one-body approximants as well as the numerical relativity surrogate models. Finally, we present phenomenological representations for the binding energy for non-spinning systems with mass ratios up to $q = 10$ and for the spin-orbit interaction for mass ratios up to $q = 8$ obtaining accuracies of $\lesssim 0.1\%$ and $\lesssim 6\%$, respectively.

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 Dates: 2017-12-182018
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1712.06533
DOI: 10.1103/PhysRevD.98.104057
URI: http://arxiv.org/abs/1712.06533
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 98 Sequence Number: 104057 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258