Growing black-hole hair in nonminimally coupled biscalar gravity
Chloe Richards, Alexandru Dima, Deborah Ferguson, Helvi Witek
2025
Video: Black hole simulations in axi-dilaton gravity
- Waveform Modelling for the Laser Interferometer Space Antenna
LISA Consortium Waveform Working Group (co-chaired by Helvi Witek)
2023 - Black holes in massive dynamical Chern-Simons gravity: Scalar hair and quasibound states at decoupling
Chloe Richards, Alexandru Dima, Helvi Witek
2023
Video: Evolution of a single black hole in massive dynamical Chern-Simons gravity - Spin-induced dynamical scalarization, descalarization, and stealthness in scalar-Gauss-Bonnet gravity during a black hole coalescence
Matthew Elley, Hector O. Silva, Helvi Witek, Nicolás Yunes
2022 - Dynamical Descalarization in Binary Black Hole Mergers
Hector O. Silva, Helvi Witek, Matthew Elley, Nicolás Yunes
2020
Videos: Head-on collisions - Towards numerical relativity in scalar Gauss-Bonnet gravity: 3+1 decomposition beyond the small-coupling limit
Helvi Witek, Leonardo Gualtieri, Paolo Pani
2020