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  Understanding the "anti-kick" in the merger of binary black holes

Rezzolla, L., Macedo, R. P., & Jaramillo, J.-L. (2010). Understanding the "anti-kick" in the merger of binary black holes. Physical Review Letters, 104(22): 221101. doi:10.1103/PhysRevLett.104.221101.

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 Urheber:
Rezzolla, Luciano1, Autor           
Macedo, Rodrigo P., Autor
Jaramillo, Jose-Luis1, Autor           
Affiliations:
1Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013              

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Schlagwörter: General Relativity and Quantum Cosmology, gr-qc, Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE,High Energy Physics - Theory, hep-th
 Zusammenfassung: The generation of a large recoil velocity from the inspiral and merger of binary black holes represents one of the most exciting results of numerical-relativity calculations. While many aspects of this process have been investigated and explained, the "anti-kick", namely the sudden deceleration after the merger, has not yet found a simple explanation. We show that the anti-kick can be easily understood in terms of the radiation from a deformed black hole where the intrinsically anisotropic curvature distribution on the horizon determines the direction and intensity of the recoil. Our analysis is focussed on the properties of Robinson-Trautman spacetimes and allows us to measure both the energies and momenta radiated in a gauge-invariant manner. At the same time, this simpler setup provides all the qualitative but also quantitative features of inspiralling black hole binaries, thus opening the way to a deeper understanding of the nonlinear dynamics of black-hole spacetimes.

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 Datum: 2010-03-032010
 Publikationsstatus: Erschienen
 Seiten: 4 pages
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: arXiv: 1003.0873
DOI: 10.1103/PhysRevLett.104.221101
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Titel: Physical Review Letters
  Andere : Phys. Rev. Lett.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Woodbury, N.Y., etc. : American Physical Society.
Seiten: - Band / Heft: 104 (22) Artikelnummer: 221101 Start- / Endseite: - Identifikator: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406