742 citations · 1.2k across the 16 of their papers we have counts for
16 papers
Holographic duals of evaporating black holes
Roberto Emparan, Raimon Luna, Ryotaku Suzuki +2
We describe the dynamical evaporation of a black hole as the classical evolution in time of a black hole in an Anti-de Sitter braneworld. A bulk black hole whose horizon intersects…
Holographic collisions in large effective theory
Raimon Luna, Mikel Sanchez-Garitaonandia
We study collisions of Gaussian mass-density blobs in a holographic plasma, using a large effective theory, as a model for holographic shockwave collisions. The simplicity of t…
Solving the Teukolsky equation with physics-informed neural networks
Raimon Luna, Juan Calderón Bustillo, Juan José Seoane Martínez +2
We use physics-informed neural networks (PINNs) to compute the first quasi-normal modes of the Kerr geometry via the Teukolsky equation. This technique allows us to extract the com…
Kicks in charged black hole binaries
Raimon Luna, Gabriele Bozzola, Vitor Cardoso +2
We compute the emission of linear momentum (kicks) by both gravitational and electromagnetic radiation in fully general-relativistic numerical evolutions of quasi-circular charged…
Lattice Black Branes at Large
David Licht, Raimon Luna, Ryotaku Suzuki
We explore the phase space of non-uniform black branes compactified on oblique lattices with a large number of dimensions. We find the phase diagrams for different periodicities an…
Addendum to "Strong cosmic censorship: The nonlinear story"
Raimon Luna, Miguel Zilhão, Vitor Cardoso +2
We clarify a number of issues that arise when extending the analysis of Strong Cosmic Censorship (SCC) to perturbations of highly charged Reissner-Nordström de Sitter (RNdS) spacet…
Entropy production and entropic attractors in black hole fusion and fission
Tomas Andrade, Roberto Emparan, Aron Jansen +3
We study how black hole entropy is generated and the role it plays in several highly dynamical processes: the decay of unstable black strings and ultraspinning black holes; the fus…
Black Ripples, Flowers and Dumbbells at large
David Licht, Raimon Luna, Ryotaku Suzuki
We explore the rich phase space of singly spinning (both neutral and charged) black hole solutions in the large limit. We find several 'bumpy' branches which are connected to m…
Black hole collisions, instabilities, and cosmic censorship violation at large D
Tomas Andrade, Roberto Emparan, David Licht +1
We study the evolution of black hole collisions and ultraspinning black hole instabilities in higher dimensions. These processes can be efficiently solved numerically in an effecti…
Challenges to global solutions in Horndeski's theory
Laura Bernard, Luis Lehner, Raimon Luna
We explore the question of obtaining global solutions in Horndeski's theories of gravity. Towards this end, we study a relevant set of the theory and, by employing the Einstein fra…
Cosmic censorship violation in black hole collisions in higher dimensions
Tomas Andrade, Roberto Emparan, David Licht +1
We argue that cosmic censorship is violated in the collision of two black holes in high spacetime dimension D when the initial total angular momentum is sufficiently large. The two…
Strong cosmic censorship: The nonlinear story
Raimon Luna, Miguel Zilhão, Vitor Cardoso +2
A satisfactory formulation of the laws of physics entails that the future evolution of a physical system should be determined from appropriate initial conditions. The existence of…
Black holes, gravitational waves and fundamental physics: a roadmap
Leor Barack, Vitor Cardoso, Samaya Nissanke +203
The grand challenges of contemporary fundamental physics---dark matter, dark energy, vacuum energy, inflation and early universe cosmology, singularities and the hierarchy problem-…
Phases and Stability of Non-Uniform Black Strings
Roberto Emparan, Raimon Luna, Marina Martinez +2
We construct solutions of non-uniform black strings in dimensions from all the way up to , and investigate their thermodynamics and dynamical stability. O…
Geometric polarization of plasmas and Love numbers of AdS black branes
Roberto Emparan, Alejandro Fernandez-Pique, Raimon Luna
We use AdS/CFT holography to study how a strongly-coupled plasma polarizes when the geometry where it resides is not flat. We compute the linear-response polarization coefficients,…
Hydro-elastic Complementarity in Black Branes at large D
Roberto Emparan, Keisuke Izumi, Raimon Luna +2
We obtain the effective theory for the non-linear dynamics of black branes---both neutral and charged, in asymptotically flat or Anti-deSitter spacetimes---to leading order in the…