4 papers
Heating and scattering of stellar distributions by ultralight dark matter
Andrew Eberhardt, Mateja Gosenca, Lam Hui
Due to wave interference, an ultralight light dark matter halo has stochastic, granular substructures which can scatter stars, leading to the heating of stellar distributions. Stud…
Caustic fringes for wave dark matter
Andrew Eberhardt, Lam Hui
Wave dark matter is composed of particles sufficiently light that their de Broglie wavelength exceeds the average inter-particle separation. A typical wave dark matter halo exhibit…
Black hole spectroscopy with nonlinear quasi-normal modes
Macarena Lagos, Tomás Andrade, Jordi Rafecas-Ventosa +1
The future detection of quasi-normal modes (QNMs) from black hole ringdown will allow for consistency and independent tests of general relativity (GR) in the strong-field regime. I…
The impact of initial conditions on quasi-normal modes
Ameya Chavda, Macarena Lagos, Lam Hui
This study investigates the influence of initial conditions on the evolution and properties of linear quasi-normal modes (QNMs). Using a toy model in which the quasi-normal mode ca…