90 citations · 588 across the 17 of their papers we have counts for
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gr-qc2019★ 4 cited
Horizon Instability of the Extremal BTZ Black Hole
Samuel E. Gralla, Arun Ravishankar, Peter Zimmerman
We study real-time propagation of a massive scalar field on the extremal BTZ black hole spacetime, focusing on the Aretakis instability of the event horizon. We obtain a simple tim…
gr-qc2019★ 63 cited
Teukolsky formalism for nonlinear Kerr perturbations
Stephen R. Green, Stefan Hollands, Peter Zimmerman
We develop a formalism to treat higher order (nonlinear) metric perturbations of the Kerr spacetime in a Teukolsky framework. We first show that solutions to the linearized Einstei…