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We study a two-dimensional theory of gravity coupled to matter that isrelevant to describe holographic properties of black holes with a singlerotational parameter in five dimensions (with or without cosmologicalconstant). We focus on the near-horizon geometry of the near-extremal blackhole, where the effective theory reduces to Jackiw-Teitelboim (JT) gravitycoupled to a massive scalar field. We compute the corrections to correlationfunctions due to cubic interactions present in this theory. A novel feature isthat these corrections do not have a definite sign: for AdS$_5$ black holes thesign depends on the mass of the extremal solution. We discuss possibleinterpretations of these corrections from a gravitational and holographicperspective. We also quantify the imprint of the JT sector on the UV region,i.e. how these degrees of freedom, characteristic for the near-horizon region,influence the asymptotically far region of the black hole. This gives aninteresting insight on how to interpret the IR modes in the context of their UVcompletion, which depends on the environment that contains the black hole.

Rotating 5D Black Holes: Interactions and deformations near extremality