We developed an orbit-based approach to dynamical friction in galaxies and cold dark matter halos. For the first time we provide a physical understanding of dynamical...
NP-Impulse
Code to compute energy transfer in impulsive gravitational encounters in a fully general, non-perturbative way
https://github.com/uddipanb/NP-impulse
When galaxies...
Secondary lensing event
Distortion of a lensing arc by a wandering SMBH
