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  Dynamics of marginally trapped surfaces in a binary black hole merger: Growth and approach to equilibrium

Gupta, A., Krishnan, B., Nielsen, A., & Schnetter, E. (2018). Dynamics of marginally trapped surfaces in a binary black hole merger: Growth and approach to equilibrium. Physical Review D, 97: 084028. doi:10.1103/PhysRevD.97.084028.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-802C-E Version Permalink: http://hdl.handle.net/21.11116/0000-0001-4284-F
Genre: Journal Article

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 Creators:
Gupta, Anshu, Author
Krishnan, B.1, Author              
Nielsen, A.1, Author              
Schnetter, Erik, Author
Affiliations:
1Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: The behavior of quasi-local black hole horizons in a binary black hole merger is studied numerically. We compute the horizon multipole moments, fluxes and other quantities on black hole horizons throughout the merger. These lead to a better qualitative and quantitative understanding of the coalescence of two black holes; how the final black hole is formed, initially grows and then settles down to a Kerr black hole. We calculate the rate at which the final black hole approaches equilibrium in a fully non-perturbative situation and identify a time at which the linear ringdown phase begins. Finally, we provide additional support for the conjecture that fields at the horizon are correlated with fields in the wave-zone by comparing the in-falling gravitational wave flux at the horizon to the outgoing flux as estimated from the gravitational waveform.

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 Dates: 2018-01-222018
 Publication Status: Published in print
 Pages: 16 pages, 11 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1801.07048
URI: http://arxiv.org/abs/1801.07048
DOI: 10.1103/PhysRevD.97.084028
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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: 97 Sequence Number: 084028 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: /journals/resource/111088197762258