59 citations · 402 across the 39 of their papers we have counts for
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Ly Leaks in the Absorption Spectra of High Redshift QSOs
Jiren Liu, Hongguang Bi, Li-Zhi Fang
Spectra of high redshift QSOs show deep Gunn-Peterson absorptions on the blue sides of the \Lya emissions lines. They can be decomposed into components called \Lya leaks, defined t…
Ly Leaks and Reionization
Long-Long Feng, Hong-Guang Bi, Ji-Ren Liu +1
Ly absorption spectra of QSOs at redshifts show complete Gunn-Peterson absorption troughs (dark gaps) separated by tiny leaks. The dark gaps are from the intergalacti…
Non-Gaussianity of the Cosmic Baryon Fluid: Log-Poisson Hierarchy Model
Jiren Liu, Li-Zhi Fang
In the nonlinear regime of cosmic clustering, the mass density field of the cosmic baryon fluid is highly non-Gaussian. It shows different dynamical behavior from collisionless dar…
A WENO Algorithm for the Growth of Ionized Regions at the Reionization Epoch
Jing-Mei Qiu, Chi-Wang Shu, Ji-Ren Liu +1
We investigate the volume growth of ionized regions around UV photon sources with the WENO algorithm, which is an effective solver of photon kinetics in the phase space described b…
21 cm Signals from Early Ionizing Sources
Jiren Liu, Jing-Mei Qiu, Long-Long Feng +2
We investigate the 21 cm signals from the UV ionizing sources in the reionization epoch. The formation and evolution of 21 cm emission and absorption regions depend essentially on…
Estimating Power Spectrum of Sunyaev-Zeldovich Effect from the Cross-Correlation between WMAP and 2MASS
Liang Cao, Jiren Liu, Li-Zhi Fang
We estimate the power spectrum of SZ(Sunyaev-Zel'dovich)-effect-induced temperature fluctuations on sub-degree scales by using the cross correlation between the three-year WMAP map…