44 citations · 239 across the 30 of their papers we have counts for
30 papers
Hermes - Towards an Optimal High-Performance Algorithm for Cosmic Statistics of Large Data Sets
Long-long Feng, Tengpeng Xu, Tian-Cheng Luan +7
We present Hermes, an in situ multiresolution framework for efficient and flexible measurements of cosmic large-scale-structure statistics from discrete catalogues. Hermes reconstr…
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…
Constraining the Baryon Content of Cosmic Filaments Using Localized Fast Radio Bursts and DESI Imaging Data
Jian-Feng Mo, Weishan Zhu, Qi-Rui Yang +2
Cosmic filaments are thought to host a substantial fraction of the missing baryons at redshifts . In this study, we constraint the baryonic content of these filaments using lo…
An Optimal In-Situ Multipole Algorithm for the Isotropic Three-Point Correlation Functions
Wenjie Ju, Longlong Feng, Zhiqi Huang +2
We present an optimised multipole algorithm for computing the three-point correlation function (3PCF), tailored for application to large-scale cosmological datasets. The algorithm…
On the width and profiles of cosmic filaments
Qi-Rui Yang, Weishan Zhu, GuangYao Yu +3
We investigated the widths and profiles of cosmic filaments using the IllustrisTNG simulations. Filaments were identified with DisPerSE, using galaxy samples in simulations as inpu…
Gamma Analytical Modeling Evolution (GAME) I: The physical implications of deriving the stellar mass functions from z=0 to z=8
Antonios Katsianis, Qingshan Wang, Xiaohu Yang +13
The growth model is an effective parameterization employed across various scientific disciplines and scales to depict growth. It has been demonstrated that the cosmic star form…
A New Wavelet Scattering Transform-Based Statistic for Cosmological Analysis of Large-Scale Structure
Zhujun Jiang, Xiaolin Luo, Wenying Du +6
Large-scale structure (LSS) analysis in galaxy surveys is a powerful cosmological probe but is limited by tracer bias, which can obscure underlying information and weaken parameter…
Impact of cosmic web on the properties of galaxies in IllustrisTNG simulations
Guangyao Yu, Weishan Zhu, Qi-Rui Yang +3
We investigate the influence of the cosmic web on galaxy properties in the IllustrisTNG simulations. To disentangle the effects of galaxy groups and cosmic filaments, we classify t…
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…
Pair Counting without Binning -- A New Approach to Correlation Functions in Clustering Statistics
Shiyu Yue, Longlong Feng, Wenjie Ju +6
This paper presents a novel perspective on correlation functions in the clustering analysis of the large-scale structure of the universe. We first recognise that pair counting in b…
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…
Evolution of cold streams in hot gaseous halos
WenSheng Hong, Weishan Zhu, TianRui Wang +2
In the prevailing model of galaxy formation and evolution, the process of gas accretion onto central galaxies undergoes a transition from cold-dominated to hot-dominated modes. Thi…
Mass reconstruction and noise reduction with cosmic-web environments
Feng Fang, Yan-Chuan Cai, Zhuoyang Li +3
The clustering of galaxies and their connections to their initial conditions is a major means by which we learn about cosmology. However, the stochasticity between galaxies and the…
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…
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…
About One-point Statistics of the Ratio of Two Fourier-transformed Cosmic Fields and an Application
Ming Li, Jun Pan, Pengjie Zhang +7
The Fourier transformation is an effective and efficient operation of Gaussianization at the one-point level. Using a set of N-body simulation data, we verified that the one-point…
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…
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…