Small Kerr-anti-de Sitter black holes are unstable
Vitor Cardoso, Oscar J. C. Dias
TL;DR
This paper demonstrates that small Kerr-anti-de Sitter black holes are unstable due to superradiance, using a matching procedure in a long wavelength approximation.
Contribution
It provides a novel analysis showing the instability of small Kerr-AdS black holes caused by superradiance, employing a specific approximation method.
Findings
Small Kerr-AdS black holes are unstable due to superradiance.
The instability is demonstrated using a matching procedure.
The analysis is valid in a long wavelength approximation.
Abstract
Superradiance in black hole spacetimes can trigger instabilities. Here we show that, due to superradiance, small Kerr-anti-de Sitter black holes are unstable. Our demonstration uses a matching procedure, in a long wavelength approximation.
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