3 papers
gr-qc2024
Extremal Black Holes in Cosmology from Colliding Light Beams
M. Halilsoy, V. Memari
From the duality between the interaction region of colliding waves and black holes (BHs) it is known that certain BH solutions can be obtained from colliding gravity coupled electr…
gr-qc2024
Charged particle geodesics and closed timelike curves in an electromagnetic universe
M. Halilsoy, V. Memari
The spinning electromagnetic universe, known also as the Rotating Bertotti-Robinson(RBR) spacetime is considered as a model to represent our cosmos. The model derives from differen…
gr-qc2023
Generating spacetimes from colliding sources
M. Halilsoy, V. Memari
Certain well-known spacetimes of general relativity (GR) are generated from the collision of suitable null-sources coupled with gravitational waves. This is a classical process und…