205 citations · 918 across the 25 of their papers we have counts for
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astro-ph2008★ 145 cited
Absorption of 10--200 Gev Gamma Rays by Radiation from BLR in Blazars
H. T. Liu, J. M. Bai
In this paper, we study the photon-photon pair production optical depth for gamma-rays with energies from 10 to 200 GeV emitted by powerful blazars due to the diffuse radiation fie…
astro-ph2008★ 48 cited
Tests for Standard Accretion Disk Models by Variability in Active Galactic Nuclei
H. T. Liu, J. M. Bai, X. H. Zhao +1
In this paper, standard accretion disk models of AGNs are tested using light curves of 26 objects well observed for reverberation mapping. Time scales of variations are estimated b…