Optical Images of Mini Boson Stars in Palatini $f(R)$ Gravity

Xiao-Xiong Zeng, Chen-Yu Yang, Yu-Xiang Huang +3

We investigate the optical properties of mini boson stars within the framework of Palatini $f(R)$ gravity, adopting a quadratic form $f(R)=R+\xi R^2$, where $\xi$ is the gravitation…