2 papers
gr-qc2025
Greybody factors in scalar-tensor gravity and beyond
Georgios Antoniou, Thomas D. Pappas, Panagiota Kanti
In the framework of the beyond Horndeski action, we consider three subtheories that support scalarised black-hole solutions, and look for modified characteristics compared to GR. W…
gr-qc2024
Compact Objects in Einstein-scalar-Gauss-Bonnet Theory and beyond
Panagiota Kanti
In the context of General Relativity, black holes are not allowed to possess scalar hair, wormholes are not traversable and particle-like solutions are irregular. Therefore, in ord…