53 citations · 386 across the 31 of their papers we have counts for
32 papers
A cosmic filament catalog for COSMOS-Web Data Release 1 across 0.5 < z < 3.5
Qiaoyang Hao, Tao Wang, Weishan Zhu +4
Cosmic filaments represent the environments in which most galaxies form and evolve. However, the spatial distribution of filaments and the link between galaxy properties and their…
Toward Resolution Convergence for Star Formation and Galactic Winds in Galaxy Simulations
Xue-Fu Li, Weishan Zhu, Tian-Rui Wang +2
The predictive power of hydrodynamic simulations of galaxies is often hampered by the resolution dependence of sub-grid models for star formation (SF) and stellar feedback. We pres…
Properties of Galactic Outflows Driven by Starburst at Cosmic Noon: Insights from Hydrodynamical Simulations
Huan Chen, Weishan Zhu, Xue-Fu Li +3
We investigate starburst-driven galactic outflows in low-mass galaxies () at cosmic noon using high-resolution 3D hydrodynamical simulations based o…
The dispersion measure and scattering of Fast Radio Bursts: contributions from multi-components, and clues for the intrinsic properties
Jian-Feng Mo, Weishan Zhu, Long-Long Feng
Fast radio bursts (FRBs) are luminous, millisecond-duration transients that offer great potential for probing the universe, yet their physical origins remain unclear. The dispersio…
Revisiting the Galactic Winds in M82 I: the recent starburst and launch of outflow in simulations
Tian-Rui Wang, Weishan Zhu, Xue-Fu Li +2
We revisit the launch of the galactic outflow in M82 using hydrodynamic simulations. Employing a sink-particle module, we self-consistently resolve star formation and feedback, avo…
Revisiting the Galactic Winds in M82 II: Development of Multiphase Outflows in Simulations
Xue-Fu Li, Weishan Zhu, Tian-Rui Wang +1
We performed a suit of three-dimensional hydrodynamical simulations with a resolution of parsecs to investigate the development of multiphase galactic wind in M82. The sta…
Relation between the local width and linear halo mass density of cosmic filaments
Weishan Zhu, Tian-Rui Wang, Fupeng Zhang +2
Large-scale cosmic filaments may have played an important role in shaping the properties of galaxies. Meanwhile, cosmic filaments are believed to harbor a substantial portion of th…
The dispersion measure of Fast Radio Bursts host galaxies: estimation from cosmological simulations
Jian-Feng Mo, Weishan Zhu, Yang Wang +2
The dispersion measure(DM) of fast radio burst encodes important information such as its distance, properties of intervening medium. Based on simulations in the Illustris and Illus…
Measuring cosmic filament spin with the kinetic Sunyaev-Zel'dovich effect
Yi Zheng, Yan-Chuan Cai, Weishan Zhu +3
The spin of intergalactic filaments has been predicted from simulations, and supported by tentative evidence from redshift-space filament shapes in a galaxy redshift survey: genera…
Widespread subsonic turbulence in Ophiuchus North 1
Yan Gong, Shu Liu, Junzhi Wang +4
Supersonic motions are common in molecular clouds. (Sub)sonic turbulence is usually detected toward dense cores and filaments. However, it remains unknown whether (sub)sonic motion…
The spatial distribution deviation and the power suppression of baryons from dark matter
Hua-Yu Yang, Yun Wang, Ping He +2
The spatial distribution between dark matter and baryonic matter of the Universe is biased or deviates from each other. In this work, by comparing the results derived from Illustri…
Impact of cosmic filaments on the gas accretion rate of dark matter halos
Weishan Zhu, Fupeng Zhang, Long-Long Feng
We investigate the impact of cosmic filaments on the gas accretion rate, , of dark matter halos in filaments, based on cosmological hydrodynamic simulation. We…
Profiles of cosmic filaments since z=4.0 in cosmological hydrodynamical simulation
Weishan Zhu, Fupeng Zhang, Long-Long Feng
A large portion of the baryons at low redshifts are still missing from detection. Most of the missing baryons are believed to reside in large scale cosmic filaments. Understanding…
Estimation of the Galaxy Quenching Rate in the Illustris Simulation
Yang Wang, Xuan Liu, Weishan Zhu +2
Quenching is a key topic in exploring the formation and evolution of galaxies. In this work, we study the quenching rate, i.e., the variation in the fraction of quenched galaxies p…
The dispersion measure and scattering of FRBs: Contributions from the intergalactic medium, foreground halos, and hosts
Weishan Zhu, Long-Long Feng
We investigate the dispersion measure(DM) and scattering of FRBs by the intergalactic-medium(IGM), foreground and host halos, using cosmological hydrodynamical simulation. We find…
Turbulence-induced deviation between baryonic field and dark matter field in the spatial distribution of the Universe
Hua-Yu Yang, Ping He, Weishan Zhu +1
The cosmic baryonic fluid at low redshifts is similar to a fully developed turbulence. In this work, we use simulation samples produced by the hybrid cosmological hydrodynamical/N-…
Barred galaxies in the Illustris-1 and TNG100 simulations
Ze-Bang Zhou, Weishan Zhu, Yang Wang +1
We carry out a comparison study on the bar structure in the Illustris-1 and TNG100 simulations. At , 8.9\% of 1232 disc galaxies with stellar mass in Ill…
The temperature of IGM at high redshifts: shock heating and high mach problem
Junyi Jia, Weishan Zhu, Liang Gao +1
The thermal history of cosmic gas in the Dark Ages remains largely unknown. It is important to quantify the impact of relevant physics on the IGM temperature between and $z…
Gravitational-wave merging events from the dynamics of stellar mass binary black holes around the massive black hole in a galactic nucleus
Fupeng Zhang, Lijing Shao, Weishan Zhu
We study the dynamical evolution of the stellar mass binary black holes (BBHs) in a galactic nucleus that contains a massive black hole (MBH). For a comprehensive study of their me…
Testing the Wave-Particle Duality of Gravitational Wave Using the Spin-Orbital-Hall Effect of Structured Light
Qianfan Wu, Weishan Zhu, Longlong Feng
Probing the polarization of gravitational waves (GWs) would provide an evidence of graviton, indicating the quantization of gravity. Motivated by the next generation of gravitation…
The scattering of FRBs by the intergalactic medium: variations, strength and dependence on dispersion measures
Weishan Zhu, Long-Long Feng, Fupeng Zhang
The scattering of fast radio bursts (FRBs) by the intergalactic medium (IGM) is explored using cosmological hydrodynamical simulations. We confirm that the scattering by the clumpy…
Correlation between centre offsets and gas velocity dispersion of galaxy clusters in cosmological simulations
Ming-Hua Li, Weishan Zhu, Dong Zhao
The gas is the dominant component of baryonic matter in most galaxy groups and clusters. The spatial offsets of gas centre from the halo centre could be an indicator of the dynamic…
Pre-heating of the intergalactic medium by gravitational collapse and ultraviolet background
Weishan Zhu, Long-Long Feng
The preheating of intergalactic medium(IGM) by structure collapsing and ultraviolet background(UVB) are investigated in cosmological hydrodynamical simulations. When gravitational…
Evolution of mass and velocity filed in comic web: comparison between baryonic and dark matter
Weishan Zhu, Long-Long Feng
We investigate the evolution of cosmic web since in grid based cosmological hydrodynamical simulations, focusing on the mass and velocity field of both baryonic and cold dark…