Strong Gravity News & Events

Detecting fundamental fields with LISA observations of gravitational waves from extreme mass-ratio inspirals

Andrea Maselli, Nicola Franchini, Leonardo Gualtieri, Thomas P. Sotiriou, Susanna Barsanti, Paolo Pani

Primordial black hole capture, gravitational wave beats, and the nuclear equation of state

Thomas W. Baumgarte, Stuart L. Shapiro

Hairy black holes induced by nonlinear superadiant instability

Cheng-Yong Zhang, Qian Chen, Yuxuan Liu, Yu Tian, Bin Wang

arXiv:2309.05045 [gr-qc]

Numerical Relativity is a key tool for the study of strong-field gravity. I will present a new evolution code, based on the Kadath library. It relies on multidomain spectral methods for the space discretization, and explicit time integration schemes.

The Einstein-Hilbert action is the simplest possible generally covariant action for gravity. While Einstein's equations conform with all observational data, theoretical considerations suggest the possibility to add higher curvature correction terms to Einstein's theory.