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  The interior of a binary black hole merger

Pook-Kolb, D., Birnholtz, O., Krishnan, B., & Schnetter, E. (in preparation). The interior of a binary black hole merger.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-54E7-A Version Permalink: http://hdl.handle.net/21.11116/0000-0003-54FB-4
Genre: Paper

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1903.05626.pdf (Preprint), 599KB
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 Creators:
Pook-Kolb, Daniel1, Author              
Birnholtz, Ofek1, Author              
Krishnan, Badri1, Author              
Schnetter, Erik2, Author              
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              
2Stellar Astrophysics, MPI for Astrophysics, Max Planck Society, ou_159882              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: We find strong numerical evidence for a new phenomenon in a binary black hole spacetime, namely the merger of marginally outer trapped surfaces (MOTSs). We show that the MOTS associated with the final black hole merges with the two initially disjoint surfaces associated with the two initial black holes. This yields a connected sequence of MOTSs interpolating between the initial and final state all the way through the non-linear binary black hole merger process. This now allows us to track physical quantities (such as mass, angular momentum, higher multipoles, and fluxes) across the merger, which can be potentially compared with the gravitational wave signal in the wave-zone, and with observations by gravitational wave detectors. This also suggests a possibility of proving the Penrose inequality for generic astrophysical binary back hole configurations.

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 Dates: 2019-03-13
 Publication Status: Not specified
 Pages: 6 Pages, 6 Figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1903.05626
URI: http://arxiv.org/abs/1903.05626
 Degree: -

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