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  Kerr Black Holes and Nonlinear Radiation Memory

Mädler, T., & Winicour, J. (2019). Kerr Black Holes and Nonlinear Radiation Memory. Classical and quantum gravity, 36 (9): 095009. doi:10.1088/1361-6382/ab1187.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0002-9737-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-80C2-0
Genre: Journal Article

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1811.04711.pdf (Preprint), 212KB
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 Creators:
Mädler, Thomas, Author
Winicour, Jeffrey1, Author
Affiliations:
1AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, ou_24008              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc, Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE,High Energy Physics - Theory, hep-th
 Abstract: The Minkowski background intrinsic to the Kerr-Schild version of the Kerr metric provides a definition of a boosted spinning black hole. There are two Kerr-Schild versions corresponding to ingoing or outgoing principal null directions. The two corresponding Minkowski backgrounds and their associated boosts differ drastically. This has an important implication for the gravitational memory effect. A prior analysis of the ejection of a non-spinning Schwarzschild black hole showed that the memory effect in the nonlinear regime agrees with the linearized result based upon the retarded Green function only if the ejection velocity corresponds to a boost symmetry of the ingoing Minkowski background. A boost with respect to the outgoing Minkowski background is inconsistent with the absence of ingoing radiation from past null infinity. We show that this results extends to the ejection of a Kerr black hole and apply it to set upper and lower bounds for the memory effect resulting from the collision of two spinning black holes.

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 Dates: 2018-11-122018-11-162019
 Publication Status: Published in print
 Pages: 17 pages, typos corrected
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1811.04711
URI: http://arxiv.org/abs/1811.04711
DOI: 10.1088/1361-6382/ab1187
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Title: Classical and quantum gravity
Source Genre: Journal
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Publ. Info: Bristol, U.K. : Institute of Physics
Pages: - Volume / Issue: 36 (9) Sequence Number: 095009 Start / End Page: - Identifier: ISSN: 0264-9381
CoNE: https://pure.mpg.de/cone/journals/resource/954925513480_1