Near-extremal Kerr-dS4 and Kerr-AdS4 black holes admit a sector of metric perturbations whose linearized dynamics is the JT equation, with a Schwarzian effective action for the AdS case.
Aspects of AdS$_2$ holography with non-constant dilaton
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abstract
In this proceedings contribution we summarize and discuss results of Refs. \cite{Grumiller:2013swa, Grumiller:2015vaa} in the light of recent developments in $\textrm{AdS}_2$ holography \cite{Maldacena:2016upp, Jensen:2016pah, Engelsoy:2016xyb}.
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Gravitational dynamics of near-extreme Kerr (Anti-)de Sitter black holes
Near-extremal Kerr-dS4 and Kerr-AdS4 black holes admit a sector of metric perturbations whose linearized dynamics is the JT equation, with a Schwarzian effective action for the AdS case.