Kerr Spherical Photon Orbits
Interactive tool for visualizing spherical/circular photon orbits in Kerr
Pinned Posts
Recent Posts
Notes: Generalized harmonic form of Einstein’s equations from a gauge-fixed action
The generalized harmonic formulation can be derived by adding a gauge-fixing term to the Einstein-Hilbert action
Poincaré section clicker for the double pendulum
Interactive toy for understanding Poincaré sections and chaos
Location of the last stable orbit in Kerr spacetime
The dividing line between bound and plunging orbits is an algebraic variety
Numerical relativity simulation of GW150914 beyond general relativity
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...