New exact charged black-string solution in Einstein gravity coupled to Kiselev quintessence plus string cloud, with horizon, curvature, energy-condition, thermodynamic, and null-geodesic analysis.
An instability of higher-dimensional rotating black holes
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abstract
We present the first example of a linearized gravitational instability of an asymptotically flat vacuum black hole. We study perturbations of a Myers-Perry black hole with equal angular momenta in an odd number of dimensions. We find no evidence of any instability in five or seven dimensions, but in nine dimensions, for sufficiently rapid rotation, we find perturbations that grow exponentially in time. The onset of instability is associated with the appearance of time-independent perturbations which generically break all but one of the rotational symmetries. This is interpreted as evidence for the existence of a new 70-parameter family of black hole solutions with only a single rotational symmetry. We also present results for the Gregory-Laflamme instability of rotating black strings, demonstrating that rotation makes black strings more unstable.
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UNVERDICTED 2representative citing papers
A review summarizing the state of the art in black hole quasinormal modes, ringdown waveform modeling, current LIGO-Virgo-KAGRA observations, and prospects for LISA and next-generation detectors.
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Charged black string immersed in a quintessence fluid and string cloud
New exact charged black-string solution in Einstein gravity coupled to Kiselev quintessence plus string cloud, with horizon, curvature, energy-condition, thermodynamic, and null-geodesic analysis.
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Black hole spectroscopy: from theory to experiment
A review summarizing the state of the art in black hole quasinormal modes, ringdown waveform modeling, current LIGO-Virgo-KAGRA observations, and prospects for LISA and next-generation detectors.