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gr-qc2024
On the physical significance of black hole quasinormal mode spectra instability
Vitor Cardoso, Shilpa Kastha, Rodrigo Panosso Macedo
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-wav…
gr-qc2024★ 40 cited
Pseudospectrum of de Sitter black holes
Kyriakos Destounis, Valentin Boyanov, Rodrigo Panosso Macedo
Pseudospectral analyses have broadened our understanding of ringdown waveforms from binary remnants, by providing insight into both the stability of their characteristic frequencie…