Late-time asymptotics for the wave equation on extremal Reissner–Nordström backgrounds

Y Angelopoulos, S Aretakis, D Gajic - Advances in Mathematics, 2020 - Elsevier
We derive the precise late-time asymptotics for solutions to the wave equation on extremal
Reissner–Nordström black holes and explicitly express the leading-order coefficients in …

Near-extremal black holes at late times, backreacted

S Hadar - Journal of High Energy Physics, 2019 - Springer
A bstract Black holes display universal behavior near extremality. One such feature is the
late-time blowup of derivatives of linearized perturbations across the horizon. For generic …

Horizon hair from inversion symmetry

K Fernandes, D Ghosh, A Virmani - Classical and Quantum …, 2021 - iopscience.iop.org
Abstract The extreme Reissner–Nordström (ERN) solution has a discrete conformal isometry
that maps the future event horizon to future null infinity and vice versa, the Couch–Torrence …

Holographic Coulomb branch solitons, quasinormal modes, and black holes

SP Kumar, A O'Bannon, A Pribytok… - Journal of High Energy …, 2021 - Springer
A bstract Four-dimensional\(\mathcal {N}\)= 4 supersymmetric Yang-Mills theory, at a point
on the Coulomb branch where SU (N) gauge symmetry is spontaneously broken to SU (N …

Aretakis constants and instability in general spherically symmetric extremal black hole spacetimes: Higher multipole modes, late-time tails, and geometrical meanings

T Katagiri, M Kimura - Physical Review D, 2022 - APS
We study late-time behaviors of massive scalar fields in general static and spherically
symmetric extremal black hole spacetimes in arbitrary dimensions. We show the existence of …

Revisiting the Aretakis constants and instability in two-dimensional anti–de Sitter spacetimes

T Katagiri, M Kimura - Physical Review D, 2021 - APS
We discuss dynamics of massive Klein-Gordon fields in two-dimensional anti-de Sitter
spacetimes (AdS 2), in particular conserved quantities and nonmodal instability on the future …

General relation between Aretakis charge and Newman-Penrose charge

M Cvetič, A Satz - Physical Review D, 2018 - APS
We reexamine the relation between the Aretakis charge of an extremal black hole spacetime
and the Newman-Penrose charge of a weakly asymptotically flat spacetime obtained from …

Horizon instability of the extremal BTZ black hole

SE Gralla, A Ravishankar, P Zimmerman - Journal of High Energy Physics, 2020 - Springer
A bstract 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 …

Aretakis hair for extreme Kerr black holes with axisymmetric scalar perturbations

LM Burko, G Khanna, S Sabharwal - Physical Review D, 2023 - APS
We study the evolution of axially symmetric scalar field perturbations on an extreme Kerr
spacetime for initial data with multipole moments ℓ′ higher than the least radiative mode …

On the horizon instability of extremal black holes and black branes

A Ravishankar - 2021 - search.proquest.com
As an important and challenging problem, the study of black hole stability has attracted
considerable interest over the last 60 years. With many stability results appearing over the …