General Relativity

Search for exotic gravitational wave signals beyond general relativity using deep learning

The direct detection of gravitational waves by LIGO has confirmed general relativity (GR) and sparked rapid growth in gravitational wave (GW) astronomy. However, subtle post-Newtonian (PN) deviations observed during the analysis of high …

Approach of background metric expansion to a new metric ansatz for gauged and ungauged Kaluza-Klein supergravity black holes

Novel background metric expansion method for constructing rotating charged black hole solutions in higher-dimensional Kaluza-Klein supergravity with (anti-)de Sitter spacetime.