261 citations · 1.9k across the 55 of their papers we have counts for
49 papers · 1 filter
Universality in Binary Black Hole Dynamics: An Integrability Conjecture
José Luis Jaramillo, Badri Krishnan, Carlos F. Sopuerta
The waveform of a binary black hole coalescence appears to be both simple and universal. In this essay we argue that the dynamics should admit a separation into 'fast and slow' deg…
A Weyl's law for black holes
José Luis Jaramillo, Rodrigo P. Macedo, Oscar Meneses-Rojas +2
We discuss a Weyl's law for the quasi-normal modes of black holes that recovers the structural features of the standard Weyl's law for the eigenvalues of Laplacian-like operators i…
Painlevé-II approach to binary black hole merger dynamics: universality from integrability
José Luis Jaramillo, Badri Krishnan
The binary black hole merger waveform is both simple and universal. Adopting an effective asymptotic description of the dynamics, we aim at accounting for such universality in term…
Pseudospectrum of horizonless compact objects: a bootstrap instability mechanism
Valentin Boyanov, Kyriakos Destounis, Rodrigo Panosso Macedo +2
Recent investigations of the pseudospectrum in black hole spacetimes have shown that quasinormal mode frequencies suffer from spectral instabilities. This phenomenon may severely a…
Pseudospectrum and binary black hole merger transients
José Luis Jaramillo
The merger phase of binary black hole coalescences is a transient between an initial oscillating regime (inspiral) and a late exponentially damped phase (ringdown). In spite of the…
Airy-function approach to binary black hole merger waveforms: The fold-caustic diffraction model
José Luis Jaramillo, Badri Krishnan
From numerical simulations of the Einstein equations, and also from gravitational wave observations, the gravitational wave signal from a binary black hole merger is seen to be sim…
Energy scales and black hole pseudospectra: the structural role of the scalar product
Edgar Gasperin, José Luis Jaramillo
A pseudospectrum analysis has recently provided evidence of a potential generic instability of black hole (BH) quasinormal mode (QNM) overtones under high-frequency perturbations.…
Pseudospectrum of Reissner-Nordström black holes: quasinormal mode instability and universality
Kyriakos Destounis, Rodrigo Panosso Macedo, Emanuele Berti +2
Black hole spectroscopy is a powerful tool to probe the Kerr nature of astrophysical compact objects and their environment. The observation of multiple ringdown modes in gravitatio…
Gravitational wave signatures of black hole quasi-normal mode instability
José Luis Jaramillo, Rodrigo Panosso Macedo, Lamis Al Sheikh
Black hole (BH) spectroscopy has emerged as a powerful approach to extract spacetime information from gravitational wave (GW) observed signals. Yet, quasinormal mode (QNM) spectral…
Horizons in a binary black hole merger II: Fluxes, multipole moments and stability
Daniel Pook-Kolb, Ofek Birnholtz, Jose Luis Jaramillo +2
We study in detail the dynamics and stability of marginally trapped surfaces during a binary black hole merger. This is the second in a two-part study. The first part studied the b…
Horizons in a binary black hole merger I: Geometry and area increase
Daniel Pook-Kolb, Ofek Birnholtz, Jose Luis Jaramillo +2
Recent advances in numerical relativity have revealed how marginally trapped surfaces behave when black holes merge. It is now known that interesting topological features emerge du…
Pseudospectrum and black hole quasi-normal mode (in)stability
José Luis Jaramillo, Rodrigo Panosso Macedo, Lamis Al Sheikh
We study the stability of quasinormal modes (QNM) in asymptotically flat black hole spacetimes by means of a pseudospectrum analysis. The construction of the Schwarzschild QNM pseu…
Hyperboloidal slicing approach to quasi-normal mode expansions: the Reissner-Nordström case
Rodrigo Panosso Macedo, José Luis Jaramillo, Marcus Ansorg
We study quasi-normal modes of black holes, with a focus on resonant (or quasi-normal mode) expansions, in a geometric frame based on the use of conformal compactifications togethe…
A perspective on Black Hole Horizons from the Quantum Charged Particle
José Luis Jaramillo
Black hole apparent horizons possess a natural notion of stability, whose spectral characterization can be related to the problem of the stationary quantum charged particle. Such m…
Black hole horizons and quantum charged particles
José Luis Jaramillo
We point out a structural similarity between the characterization of black hole apparent horizons as stable marginally outer trapped surfaces (MOTS) and the quantum description of…
A Young-Laplace law for black hole horizons
José Luis Jaramillo
Black hole horizon sections, modelled as marginally outer trapped surfaces (MOTS), possess a notion of stability admitting a spectral characterization. Specifically, the "principal…
An excision scheme for black holes in constrained evolution formulations: spherically symmetric case
Isabel Cordero-Carrión, Nicolas Vasset, Jérôme Novak +1
Excision techniques are used in order to deal with black holes in numerical simulations of Einstein equations and consist in removing a topological sphere containing the physical s…
Proof of the area-angular momentum-charge inequality for axisymmetric black holes
María E. Gabach Clement, José Luis Jaramillo, Martín Reiris
We give a comprehensive discussion, including a detailed proof, of the area-angular momentum-charge inequality for axisymmetric black holes. We analyze the inequality from several…
A note on degeneracy, marginal stability and extremality of black hole horizons
José Luis Jaramillo
Given a stationary axisymmetric black hole horizon admitting a section characterised as a strictly future stable marginally outer trapped surface, we extend the equivalence between…
Towards a cross-correlation approach to strong-field dynamics in Black Hole spacetimes
J. L. Jaramillo, R. P. Macedo, P. Moesta +1
The qualitative and quantitative understanding of near-horizon gravitational dynamics in the strong-field regime represents a challenge both at a fundamental level and in astrophys…
Accurate Simulations of Binary Black-Hole Mergers in Force-Free Electrodynamics
Daniela Alic, Philipp Moesta, Luciano Rezzolla +2
We provide additional information on our recent study of the electromagnetic emission produced during the inspiral and merger of supermassive black holes when these are immersed in…
Area inequalities for stable marginally trapped surfaces
José Luis Jaramillo
We discuss a family of inequalities involving the area, angular momentum and charges of stably outermost marginally trapped surfaces in generic non-vacuum dynamical spacetimes, wit…
Where is the electrostatic self-energy localized in general relativity?
Carlos Barcelo, Jose Luis Jaramillo
We discuss an alternative way of prescribing the spacetime geometry associated with a non-radiating distribution of charged matter. It is based on the possibility that the electros…
Black hole Area-Angular momentum-Charge inequality in dynamical non-vacuum spacetimes
María E. Gabach Clément, José Luis Jaramillo
We show that the area-angular momentum-charge inequality (A/(4π))^2 \geq (2J)^2 + (Q_E^2 + Q_M^2)^2 holds for apparent horizons of electrically and magnetically charged rotating bl…