https://doi.org/10.1140/epjc/s10052-023-12261-9
Regular Article - Theoretical Physics
Black holes and non-perturbative gravitational waves in f(R) gravity
School of Physics and Technology, University of Jinan, 336 West Road of Nan Xinzhuang, 250022, Jinan, Shandong, China
Received:
11
June
2023
Accepted:
17
November
2023
Published online:
1
December
2023
Exact solutions of spherically symmetric black hole and gravitational wave are explored in f(R) gravity in arbitrary dimension. We find two exact solutions for the radiation and absorption of null dust. In the framework of general relativity, the Birkhoff theorem strictly forbids the existence of spherical gravitational waves in vacuum space. We find spherical non-perturbative gravitational waves, which are shear-free, twist-free, but expanding.
© The Author(s) 2023
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