Orbital Resonances Around Black Holes

Jeandrew Brink, Marisa Geyer, and Tanja Hinderer
Phys. Rev. Lett. 114, 081102 – Published 23 February 2015

Abstract

We compute the length and time scales associated with resonant orbits around Kerr black holes for all orbital and spin parameters. Resonance-induced effects are potentially observable when the Event Horizon Telescope resolves the inner structure of Sgr A*, when space-based gravitational wave detectors record phase shifts in the waveform during the resonant passage of a compact object spiraling into the black hole, or in the frequencies of quasiperiodic oscillations for accreting black holes. The onset of geodesic chaos for non-Kerr spacetimes should occur at the resonance locations quantified here.

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  • Received 16 November 2014

DOI:https://doi.org/10.1103/PhysRevLett.114.081102

© 2015 American Physical Society

Authors & Affiliations

Jeandrew Brink1,2, Marisa Geyer4,5, and Tanja Hinderer3

  • 1National Institute for Theoretical Physics (NITheP), Bag X1 Matieland, Stellenbosch 7602, South Africa
  • 2Department of Applied Mathematics, Stellenbosch University, Stellenbosch 7602, South Africa
  • 3Department of Physics, Maryland Center for Fundamental Physics and Joint Space-Science Institute, University of Maryland, College Park, Maryland 20742, USA
  • 4Department of Astrophysics, University of Oxford, Oxford OX1 2JD, United Kingdom
  • 5Department of Physics, Stellenbosch University, Stellenbosch 7602, South Africa

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Issue

Vol. 114, Iss. 8 — 27 February 2015

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