Interactive tool for visualizing spherical/circular photon orbits in Kerr
The generalized harmonic formulation can be derived by adding a gauge-fixing term to the Einstein-Hilbert action
Interactive toy for understanding Poincaré sections and chaos
The dividing line between bound and plunging orbits is an algebraic variety
The first astrophysically-relevant numerical simulation of merging black holes in a higher-curvature theory beyond GR.
qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients
qnm is an open-source Python package for computing the Kerr quasinormal mode frequencies, angular separation constants, and spherical-spheroidal mixing coeff...