77 citations · 652 across the 29 of their papers we have counts for
5 papers · 1 filter
A parametrized quasi-normal mode framework for non-Schwarzschild metrics
Nicola Franchini, Sebastian H. Völkel
In this work we comment in more detail on what happens to the parametrized framework first presented by Cardoso et al. when there are departures from the Schwarzschild background m…
Quasi-Normal Modes from Bound States: The Numerical Approach
Sebastian H. Völkel
It is known that the spectrum of quasi-normal modes of potential barriers is related to the spectrum of bound states of the corresponding potential wells. This property has been wi…
Constraining modifications of black hole perturbation potentials near the light ring with quasinormal modes
Sebastian H. Völkel, Nicola Franchini, Enrico Barausse +1
In modified theories of gravity, the potentials appearing in the Schrödinger-like equations that describe perturbations of non-rotating black holes are also modified. In this paper…
Constraining the Nuclear Equation of State from Rotating Neutron Stars
Sebastian H. Völkel, Christian J. Krüger
We demonstrate how observables of slowly rotating neutron stars can be used to constrain the nuclear equation of state. By building a Bayesian framework we demonstrate how combinin…
On Black Hole Area Quantization and Echoes
Andrew Coates, Sebastian H. Völkel, Kostas D. Kokkotas
In this work we argue that black hole area quantization of Bekenstein and Mukhanov should not give rise to measurable effects in terms of so-called gravitational wave echoes during…