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My Research Projects

Luminous blue variables are massive, evolved stars that exhibit large variations in luminosity and size on timescales from months to...

In the past two years, I lead two INCITE projects to use the Mira supercomputer supported by DOE in ALCF to carry out radiation MHD...

We study the time lags between the continuum emission of quasars at different wavelengths, based on more than four years of multi-band...

Stream-stream collisions play an important role for the circularization of highly eccentric streams resulting from tidal disruption...

The inner region of black hole accretion disks is expected to be radiation pressure dominated whenever the accretion rate is above a few...

In this project, we carry out three dimensional radiation hydrodynamic simulations to study the structures of massive star envelope...

The goal of this project is to study the structures of black hole accretion disks with various accretion rates (from sub-Eddington to...

I have two different radiative transfer algorithms solving the radiation magneto-hydrodynamic equations self-consistently. Both methods...

In this project, we systematically study the structures and scaling relations of 147 host galaxies of low-mass black holes (BHs) based on...

Using a version of the ZEUS code, we carry out two-dimensional simulations of self-gravitating shearing sheets, with application to QSO...