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Table 2.

Free parameters in our BH feedback subgrid model.

Physical process Quantity Fiducial setup Variations
Disk mass depletion α 0.1 0.01, 0.1, 1
sup(Md/MBH) 10 1, 10

Radiative feedback ϵ r L bol / ( M ˙ BH c 2 ) $ \epsilon_{\mathrm{r}}\equiv L_{\mathrm{bol}}/(\dot{M}_{\mathrm{BH}}c^2) $ Variable: Madau et al. (2014) 10−9–0.1, Watarai et al. (2000)
Z/Z 1 1, 10−2, 10−4, 10−6

Mechanical feedback ϵ w L w / ( M ˙ BH , 0 c 2 ) $ \epsilon_{\mathrm{w}} \equiv L_{\mathrm{w}}/(\dot{M}_{\mathrm{BH,0}} c^2) $ 10−6 (10−3) for 106 M (108 M) complex 10−8–0.1, Hu et al. (2022)
η w M ˙ w / M ˙ BH , 0 $ \eta_{\mathrm{w}} \equiv \dot{M}_{\mathrm{w}}/\dot{M}_{\mathrm{BH,0}} $ 1 1, 10, 100

Cosmic-ray feedback ϵ CR L CR / M ˙ BH , 0 $ \epsilon_{\mathrm{CR}}\equiv L_{\mathrm{CR}}/\dot{M}_{\mathrm{BH,0}} $ 0 10−8–0.1

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