115 citations · 229 across the 18 of their papers we have counts for
16 papers · 1 filter
Depletion of Dark Matter Spikes by Massive Black Hole Mergers
Charlie Sharpe, Thomas F. M. Spieksma, Yonadav Barry Ginat +3
Dark matter over-densities around massive black holes, known as dark matter spikes, can dephase gravitational waves emitted by intermediate- and extreme-mass-ratio inspirals (IMRIs…
The Irreversible Depletion of Dark Matter Spikes by Extreme-Mass-Ratio Inspirals
Charlie Sharpe, Yonadav Barry Ginat, Thomas F. M. Spieksma +2
Dense dark matter spikes around massive black holes (MBHs) have been widely predicted to produce gravitational-wave dephasing in extreme-mass-ratio inspirals (EMRIs) that are poten…
The Depletion of Collisionless Dark Matter Spikes
Charlie Sharpe, Yonadav Barry Ginat, Thomas F. M. Spieksma +2
Dense concentrations of dark matter surrounding black holes provide a compelling opportunity to probe the nature of dark matter. In the classic Gondolo--Silk model, the adiabatic g…
Gravitational Atom Spectroscopy
Matteo Della Rocca, Thomas F. M. Spieksma, Francisco Duque +2
Black holes in our Universe are rarely truly isolated, being instead embedded in astrophysical environments such as plasma or dark matter. A particularly intriguing possibility is…
Exploring Black Hole Environments
Thomas F. M. Spieksma
The past decade has transformed our ability to observe the Universe. Via gravitational waves, merging black holes and neutron stars can now be directly detected, offering unprecede…
Total absorption of tailored incoming signals by black holes
Furkan Tuncer, Vitor Cardoso, Rodrigo Panosso Macedo +1
We uncover a new class of phenomena in gravitational physics, whereby resonances in the complex plane can be excited via tailored time-dependent scattering. We show that specific f…
Environmental effects in extreme mass ratio inspirals: perturbations to the environment in Kerr
Conor Dyson, Thomas F. M. Spieksma, Richard Brito +2
Future gravitational wave observatories open a unique avenue to study the environments surrounding black holes. Intermediate or extreme mass ratio inspirals will spend thousands to…
Black hole spectroscopy in environments: detectability prospects
Thomas F. M. Spieksma, Vitor Cardoso, Gregorio Carullo +2
The ringdown phase following a binary black hole coalescence is a powerful tool for measuring properties of the remnant black hole. Future gravitational wave detectors will increas…
Impact of a plasma on the relaxation of black holes
Enrico Cannizzaro, Thomas F. M. Spieksma, Vitor Cardoso +1
Our universe is permeated with interstellar plasma, which prevents propagation of low-frequency electromagnetic waves. Here, we show that two dramatic consequences arise out of suc…
Legacy of boson clouds on black hole binaries
Giovanni Maria Tomaselli, Thomas F. M. Spieksma, Gianfranco Bertone
Superradiant clouds of ultralight bosons can leave an imprint on the gravitational waveform of black hole binaries through "ionization" and "resonances." We study the sequence of r…
Hushing black holes: tails in dynamical spacetimes
Vitor Cardoso, Gregorio Carullo, Marina De Amicis +6
Stationary, asymptotically flat, black hole solutions of the vacuum field equations of General Relativity belong to the Kerr family. But how does one approach this state, dynamical…
Resonant history of gravitational atoms in black hole binaries
Giovanni Maria Tomaselli, Thomas F. M. Spieksma, Gianfranco Bertone
Rotating black holes can produce superradiant clouds of ultralight bosons. When the black hole is part of a binary system, its cloud can undergo resonances and ionization. These pr…
Superradiance: Axionic Couplings and Plasma Effects
Thomas F. M. Spieksma, Enrico Cannizzaro, Taishi Ikeda +2
Spinning black holes can transfer a significant fraction of their energy to ultralight bosonic fields via superradiance, condensing them in a co-rotating structure or "cloud". This…
Dynamical Friction in Gravitational Atoms
Giovanni Maria Tomaselli, Thomas F. M. Spieksma, Gianfranco Bertone
Due to superradiant instabilities, clouds of ultralight bosons can spontaneously grow around rotating black holes, creating so-called "gravitational atoms". In this work, we study…
Disks, spikes, and clouds: distinguishing environmental effects on BBH gravitational waveforms
Philippa S. Cole, Gianfranco Bertone, Adam Coogan +5
Future gravitational wave interferometers such as LISA, Taiji, DECIGO, and TianQin, will enable precision studies of the environment surrounding black holes. In this paper, we stud…
Bounding dark charges on binary black holes using gravitational waves
Pawan Kumar Gupta, Thomas F. M. Spieksma, Peter T. H. Pang +2
In models of minicharged dark matter associated with a hidden symmetry, astrophysical black holes may acquire a "dark" charge, in such a way that the inspiral dynamics of bi…