2 papers
gr-qc2025
Dynamical nonlinear tails in Schwarzschild black hole ringdown
Siyang Ling, Sabeela Shah, Sam S. C. Wong
Nonlinear tails in black hole perturbations, arising from second-order effects, present a distinct departure from the well-known Price tail of linear theory. We present an analytic…
physics.comp-ph2025
Generating Moving Field Initial Conditions with Spatially Varying Boost
Siyang Ling
We introduce a novel class of algorithms, the ``spatially varying boost'', for generating dynamical field initial conditions with prescribed bulk velocities. Given (non-moving) ini…