60 citations · 607 across the 27 of their papers we have counts for
27 papers
Systematic analysis of Parity-Violating modes
Hong-Ming Zhu, Ue-Li Pen
Recent reports of cosmological parity violation in the 4PCF raises the question of how such violations could be systematically generated. Here we present a constructive procedure t…
Cosmic tidal reconstruction in redshift space
Shi-Hui Zang, Hong-Ming Zhu, Marcel Schmittfull +1
The gravitational coupling between large- and small-scale density perturbations leads to anisotropic distortions to the local small-scale matter fluctuations. Such local anisotropi…
Galaxy Spin Classification I: Z-wise vs S-wise Spirals With Chirality Equivariant Residual Network
He Jia, Hong-Ming Zhu, Ue-Li Pen
The angular momentum of galaxies (galaxy spin) contains rich information about the initial condition of the Universe, yet it is challenging to efficiently measure the spin directio…
BURSTT: Bustling Universe Radio Survey Telescope in Taiwan
Hsiu-Hsien Lin, Kai-yang Lin, Chao-Te Li +44
Fast Radio Bursts (FRBs) are bright millisecond-duration radio transients that appear about 1,000 times per day, all-sky, for a fluence threshold 5 Jy ms at 600 MHz. The FRB radio-…
Extracting high-order cosmological information in galaxy surveys with power spectra
Yuting Wang, Gong-Bo Zhao, Kazuya Koyama +11
The reconstruction method was proposed more than a decade ago to boost the signal of baryonic acoustic oscillations measured in galaxy redshift surveys, which is one of key probes…
Cosmic Tidal Reconstruction with Halo Fields
Hong-Ming Zhu, Tian-Xiang Mao, Ue-Li Pen
The gravitational coupling between large-scale perturbations and small-scale perturbations leads to anisotropic distortions of the small-scale matter distribution. The measured loc…
Nonlinear reconstruction of features in the primordial power spectrum from large-scale structure
Yuhao Li, Hong-Ming Zhu, Baojiu Li
Potential features in the primordial power spectrum have been searched for in galaxy surveys in recent years since these features can assist in understanding the nature of inflatio…
Cosmic microwave background lensing with optimal convergence and shear estimators
Hong-Ming Zhu, Ue-Li Pen
We present the optimal convergence and shear estimators for lensing reconstruction from the cosmic microwave background temperature field. This generalizes the deflection estimator…
Quantifying the Line-of-Sight Halo Contribution to the Dark Matter Convergence Power Spectrum from Strong Gravitational Lenses
Atınç Çağan Şengül, Arthur Tsang, Ana Diaz Rivero +3
Galaxy-galaxy strong gravitational lenses have become a popular probe of dark matter (DM) by providing a window into structure formation on the smallest scales. In particular, the…
Reconstruction with velocities
Hong-Ming Zhu, Martin White, Simone Ferraro +1
Reconstruction is becoming a crucial procedure of galaxy clustering analysis for future spectroscopic redshift surveys to obtain subpercent level measurement of the baryon acoustic…
Nonlinear Reconstruction of the Velocity Field
Yu Yu, Hong-Ming Zhu
We propose a new velocity reconstruction method based on the displacement estimation by recently developed methods. The velocity is first reconstructed by transfer functions in Lag…
Measuring dark matter-neutrino relative velocity on cosmological scales
Hong-Ming Zhu, Emanuele Castorina
We present a new method to measure neutrino masses using the dark matter-neutrino relative velocity. The relative motion between dark matter and neutrinos results in a parity-odd b…
Inflation and Dark Energy from spectroscopy at
Simone Ferraro, Michael J. Wilson, Muntazir Abidi +140
The expansion of the Universe is understood to have accelerated during two epochs: in its very first moments during a period of Inflation and much more recently, at , when D…
The Cross-correlation of KSZ Effect and 21 cm Intensity Mapping with Tidal Reconstruction
Dongzi Li, Hong-Ming Zhu, Ue-Li Pen
We discuss the possibility of studying diffuse baryon distributions with kinematic Sunyaev-Zel'dovich (kSZ) effect by correlating cosmic microwave background (CMB) temperature fluc…
Nonlinear reconstruction of redshift space distortions
Hong-Ming Zhu, Yu Yu, Ue-Li Pen
We apply nonlinear reconstruction to the dark matter density field in redshift space and solve for the nonlinear mapping from the initial Lagrangian position to the final redshift…
Isobaric Reconstruction of the Baryonic Acoustic Oscillation
Xin Wang, Hao-Ran Yu, Hong-Ming Zhu +3
In this paper, we report a significant recovery of the linear baryonic acoustic oscillation (BAO) signature by applying the isobaric reconstruction algorithm to the non-linear matt…
Halo nonlinear reconstruction
Yu Yu, Hong-Ming Zhu, Ue-Li Pen
We apply the nonlinear reconstruction method to simulated halo fields. For halo number density at , corresponding to the SDSS ma…
Nonlinear reconstruction
Hong-Ming Zhu, Yu Yu, Ue-Li Pen +2
We present a direct approach to nonparametrically reconstruct the linear density field from an observed nonlinear map. We solve for the unique displacement potential consistent wit…
Cosmological neutrino simulations at extreme scale
J. D. Emberson, Hao-Ran Yu, Derek Inman +8
Constraining neutrino mass remains an elusive challenge in modern physics. Precision measurements are expected from several upcoming cosmological probes of large-scale structure. A…
Measurement of the Cold Dark Matter-Neutrino Dipole in the TianNu Simulation
Derek Inman, Hao-Ran Yu, Hong-Ming Zhu +6
Measurements of neutrino mass in cosmological observations rely on two point statistics that are hindered by significant degeneracies with the optical depth and galaxy bias. The re…
Nonlinear -mode clustering in Lagrangian space
Hao-Ran Yu, Ue-Li Pen, Hong-Ming Zhu
We study the nonlinear -mode clustering in Lagrangian space by using large scale structure -body simulations and use the displacement field information in Lagrangian space to…
Recovering lost 21 cm radial modes via cosmic tidal reconstruction
Hong-Ming Zhu, Ue-Li Pen, Yu Yu +1
21 cm intensity mapping has emerged as a promising technique to map the large-scale structure of the Universe, at redshifts from 1 to 10. Unfortunately, many of the key cross-c…
Differential Neutrino Condensation onto Cosmic Structure
Hao-Ran Yu, J. D. Emberson, Derek Inman +12
Astrophysical techniques have pioneered the discovery of neutrino mass properties. Current cosmological observations give an upper bound on neutrino masses by attempting to disenta…
Primordial density and BAO reconstruction
Hong-Ming Zhu, Ue-Li Pen, Xuelei Chen
We present a new method to reconstruct the primordial (linear) density field using the estimated nonlinear displacement field. The divergence of the displacement field gives the re…