Cosmic baryon census with fast radio bursts and gravitational waves

Ji-Guo Zhang, Ji-Yu Song, Wan-Peng Sun +3

The cosmic baryon density fraction ($\hat{I}{\text{c◯}}_{\mathrm{b}}$) is intrinsically correlated with the Hubble constant ($H_0$) through the critical density of the Universe. In the context of the d…