Speaker
Isabel Cordero-Carrión
(University of Valencia)
Description
I will present developments and recent applications of the excision technique in the case of the Fully Constrained Formalism. I will focus on spherically symmetric spacetimes representing the collapse of a neutron star to a black hole. I will also present a more general set up of boundary conditions to be imposed at the excised surface, an arbitrary coordinate sphere inside the apparent horizon, where a new parameter can control some physical properties. I will show exponential convergence toward the stationary solution and stable long-term evolution of the newly formed black hole. Finally, I will show the application of this technique in recent general core-collapse simulations.
Author
Isabel Cordero-Carrión
(University of Valencia)
