Physical significance of the black hole quasinormal mode spectra instability
It has been shown, via specific examples and a pseudospectrum analysis, that the black
hole quasinormal spectra are unstable. The implication of such a result for gravitational …
hole quasinormal spectra are unstable. The implication of such a result for gravitational …
Testing general relativity with black hole quasi-normal modes
N Franchini, SH Völkel - Recent Progress on Gravity Tests: Challenges …, 2024 - Springer
The purpose of this chapter is to provide an overview of the exciting field of black hole quasi-
normal modes and its capabilities to test general relativity in the 21st century. After …
normal modes and its capabilities to test general relativity in the 21st century. After …
Nonlinear effect of absorption on the ringdown of a spinning black hole
The ringdown gravitational wave signal arising, eg, in the final stage of a black hole binary
merger, contains important information about the properties of the remnant and can …
merger, contains important information about the properties of the remnant and can …
Parametrized black hole quasinormal ringdown formalism for higher overtones
S Hirano, M Kimura, M Yamaguchi, J Zhang - Physical Review D, 2024 - APS
We investigate the parametrized black hole quasinormal ringdown formalism, which is a
robust framework used to analyze quasinormal modes in systems that closely resemble …
robust framework used to analyze quasinormal modes in systems that closely resemble …
Linear versus nonlinear modeling of black hole ringdowns
Y Qiu, XJ Forteza, P Mourier - Physical Review D, 2024 - APS
The ringdown (RD) phase of gravitational waves is of prime interest for testing general
relativity (GR). The modeling of the linear quasinormal modes (QNMs) within the Kerr …
relativity (GR). The modeling of the linear quasinormal modes (QNMs) within the Kerr …
Waveform modelling for the laser interferometer space antenna
LISA, the Laser Interferometer Space Antenna, will usher in a new era in gravitational-wave
astronomy. As the first anticipated space-based gravitational-wave detector, it will expand …
astronomy. As the first anticipated space-based gravitational-wave detector, it will expand …
Nonlinear effects in black hole ringdown from scattering experiments: Spin and initial data dependence of quadratic mode coupling
We investigate quadratic quasinormal mode coupling in black hole spacetime through
numerical experiments of single perturbed black holes using both numerical relativity and …
numerical experiments of single perturbed black holes using both numerical relativity and …
Imprints of changing mass and spin on black hole ringdown
We numerically investigate the imprints of gravitational radiation-reaction driven changes to
a black hole's mass and spin on the corresponding ringdown waveform. We do so by …
a black hole's mass and spin on the corresponding ringdown waveform. We do so by …
Hyperboloidal Approach to Quasinormal Modes
Oscillations of black hole spacetimes exhibit divergent behavior toward the bifurcation
sphere and spatial infinity. This divergence can be understood as a consequence of the …
sphere and spatial infinity. This divergence can be understood as a consequence of the …
Hyperboloidal approach to quasinormal modes
Oscillations of black hole spacetimes exhibit divergent behavior near the bifurcation sphere
and spatial infinity. In contrast, these oscillations remain regular when evaluated near the …
and spatial infinity. In contrast, these oscillations remain regular when evaluated near the …