Fig. 7.
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Combination of Mseed, fEdd, ϵ values that can produce the observed MBH of high-z quasars. The parameter distributions of our quasar candidates and sources from Fan et al. (2023) are depicted in blue and orange colors, respectively. Assuming a thin disk model and Eddington-limited accretion, larger seed masses with Mseed > 104 M⊙ are the preferred channel for growing the SMBHs.
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