96 citations · 417 across the 39 of their papers we have counts for
9 papers · 1 filter
A two-phase model of galaxy formation: II. The size-mass relation of dynamically hot galaxies
Yangyao Chen, Houjun Mo, Huiyuan Wang
In Paper-I we developed a two-phase model to connect dynamically hot galaxies (such as ellipticals and bulges) with the formation of self-gravitating gas clouds (SGCs) associated w…
A two-phase model of galaxy formation: I. The growth of galaxies and supermassive black holes
Houjun Mo, Yangyao Chen, Huiyuan Wang
We develop a model for galaxy formation and the growth of supermassive black holes (SMBHs), based on the fact that cold dark matter (CDM) halos form their gravitational potential w…
An efficient and robust method to estimate halo concentration
Kai Wang, H. J. Mo, Yangyao Chen +1
We propose an efficient and robust method to estimate the halo concentration based on the first moment of the density distribution, which is $R_1\equiv \int_0^{r_{\rm vir}}4πr^3ρ(r…
Characterizing the assembly of dark matter halos with protohalo size histories: I. Redshift evolution, relation to descendant halos, and halo assembly bias
Kai Wang, H. J. Mo, Yangyao Chen +5
We propose a novel method to quantify the assembly histories of dark matter halos with the redshift evolution of the mass-weighted spatial variance of their progenitor halos, i.e.…
Late-formed halos prefer to host quiescent central galaxies. I. Observational results
Kai Wang, Yangyao Chen, Qingyang Li +1
The star formation and quenching of central galaxies are regulated by the assembly histories of their host halos. In this work, we use the central stellar mass to halo mass ratio a…
Environmental dependence of the mass-metallicity relation in cosmological hydrodynamical simulations
Kai Wang, Xin Wang, Yangyao Chen
We investigate the environmental dependence of the gas-phase metallicity for galaxies at to and the underlying physical mechanisms driving this dependence using…