The radial infall of a highly relativistic point particle into a Kerr black hole along the symmetry axis

Abstract

In this Letter we consider the radial infall along the symmetry axis of an ultra-relativistic point particle into a rotating Kerr black hole. We use the Sasaki-Nakamura formalism to compute the waveform, energy spectra and total energy radiated during this process. We discuss possible connections between these results and the black hole-black hole collision at the speed of light process.

1 figure

References in corpus (4)

• The evolution of circular, non-equatorial orbits of Kerr black holes due to gravitational-wave emission
• Discovering New Physics in the Decays of Black Holes
• Computing radiation from Kerr black holes: Generalization of the Sasaki-Nakamura equation
• Gravitational radiation from collisions at the speed of light: a massless particle falling into a Schwarzschild black hole

Cited by in corpus (12)

• Quasinormal modes of Schwarzschild black holes in four and higher dimensions
• Hawking emission of gravitons in higher dimensions: non-rotating black holes
• A geometric framework for black hole perturbations
• Gravitational energy loss in high energy particle collisions: ultrarelativistic plunge into a multidimensional black hole
• Quasinormal ringing of Kerr black holes. II. Excitation by particles falling radially with arbitrary energy
• Ultra-relativistic grazing collisions of black holes
• Semianalytical estimates of scattering thresholds and gravitational radiation in ultrarelativistic black hole encounters
• The electromagnetic signature of black hole ringdown
• Close-limit analysis for head-on collision of two black holes in higher dimensions: Brill-Lindquist initial data
• Electromagnetic radiation from collisions at almost the speed of light: an extremely relativistic charged particle falling into a Schwarzschild black hole
• An alternative description of gravitational radiation from black holes based on the Regge poles of the $\mathcal{S}$-matrix and the associated residues
• Semiclassical bremsstrahlung from a charge radially falling into a Schwarzschild black hole