Perturbations around black holes
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Perturbations around black holes have been an intriguing topic in the last few decades. They are particularly important today, since they relate to the gravitational wave observations which may provide the unique fingerprint of black holes' existence. Besides the astrophysical interest, theoretically perturbations around black holes can be used as testing grounds to examine the proposed AdS/CFT and dS/CFT correspondence.
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Cited by 3 Pith papers
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Sensitivity of black hole spectral instability to ultraviolet perturbations
Localized ultraviolet perturbations to black hole effective potentials drive the fundamental quasinormal mode along spiral paths in the complex plane, with trajectories set by perturbation size, decay profile, and int...
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Quasi-normal modes as probes of black hole reentrant phase transitions
Quasi-normal modes are computed via the shooting method and shown to distinguish reentrant large-small-large phase transitions in nonlinear charged AdS black holes.
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Sensitivity of black hole spectral instability to ultraviolet perturbations
Black hole fundamental quasinormal modes exhibit strong sensitivity to small perturbations in the effective potential, with the instability type depending on the potential shape and perturbation distance from the black hole.
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