- Jet-environment interaction after delayed collapse in binary neutron star mergers
Jay V. Kalinani, Riccardo Ciolfi, Manuela Campanelli, Bruno Giacomazzo, Andrea Pavan, Allen Wen, Yosef Zlochower
2025
- Spin-up and mass-gain in hyperbolic encounters of spinning black holes
Healey Kogan, Frederick C.L. Pardoe, Helvi Witek
2025
- Dephasing in binary black hole mergers surrounded by scalar wave dark matter clouds
Cheng-Hsin Cheng, Giuseppe Ficarra, Helvi Witek
2025
- Black-hole hair from vector dark matter accretion
Frederick Hancock, Helvi Witek
2025
- 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
Witek Gravity Group