94 citations · 324 across the 14 of their papers we have counts for
Showing 2023Show all
2 papers · 1 filter
gr-qc2023★ 3 cited
An observational signature for extremal black holes
Stefanos Aretakis, Gaurav Khanna, Subir Sabharwal
We consider scalar perturbations of the Reissner--Nordström family and the Kerr family. We derive a characteristic expression of the radiation field, at any given unit solid angle…
gr-qc2023★ 3 cited
Aretakis Hair for Extreme Kerr Black Holes with Axisymmetric Scalar Perturbations
Lior M. Burko, Gaurav Khanna, Subir Sabharwal
We study the evolution of axially-symmetric scalar field perturbations on an extreme Kerr spacetime for initial data with multipole moments higher than the least ra…