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  Observational tests of the black hole area increase law

Cabero, M., Capano, C., Birnholtz, O., Krishnan, B., Nielsen, A. B., & Nitz, A. H. (2018). Observational tests of the black hole area increase law. Physical Review D, 97: 124069. doi:10.1103/PhysRevD.97.124069.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-8040-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-E8F8-1
Genre: Journal Article

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 Creators:
Cabero, Miriam1, Author              
Capano, Collin1, Author              
Birnholtz, Ofek1, Author              
Krishnan, Badri2, Author              
Nielsen, Alex B.2, Author              
Nitz, Alexander H.1, Author              
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              
2Astrophysical 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,High Energy Physics - Theory, hep-th
 Abstract: The black hole area theorem implies that when two black holes merge, the area of the final black hole should be greater than the sum of the areas of the two original black holes. We examine how this prediction can be tested with gravitational-wave observations of binary black holes. By separately fitting the early inspiral and final ringdown phases, we calculate the posterior distributions for the masses and spins of the two initial and the final black holes. This yields posterior distributions for the change in the area and thus a statistical test of the validity of the area increase law. We illustrate this method with a GW150914-like binary black hole waveform calculated using numerical relativity and detector sensitivities representative of both the first observational run and the design configuration of Advanced LIGO. We find that the area theorem could be confirmed to $\sim66\%$ confidence with current sensitivity, improving to $\sim97\%$ when Advanced LIGO reaches design sensitivity. An important ingredient in our test is a method of estimating when the post-merger signal is well-fit by a damped sinusoid ringdown waveform.

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 Dates: 2017-11-2420182018
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: arXiv: 1711.09073
URI: http://arxiv.org/abs/1711.09073
DOI: 10.1103/PhysRevD.97.124069
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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: 124069 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: /journals/resource/111088197762258