Showing 2022 · astro-ph.COShow all

38 papers · 2 filters

astro-ph.CO2022★ 29 cited

Prospects for constraining interacting dark energy models from gravitational wave and gamma ray burst joint observation

Wan-Ting Hou, Jing-Zhao Qi, Tao Han +3

With the measurement of the electromagnetic (EM) counterpart, a gravitational wave (GW) event could be treated as a standard siren. As a novel cosmological probe, GW standard siren…

astro-ph.CO2022★ 9 cited

Test of Artificial Neural Networks in Likelihood-free Cosmological Constraints: A Comparison of IMNN and DAE

Jie-Feng Chen, Yu-Chen Wang, Tingting Zhang +1

In the procedure of constraining the cosmological parameters with the observational Hubble data and the type Ia supernova data, the combination of Masked Autoregressive Flow and De…

astro-ph.CO2022★ 12 cited

Direct tests of General Relativity under screening effect with galaxy-scale strong lensing systems

Yujie Lian, Shuo Cao, Tonghua Liu +2

Observations of galaxy-scale strong gravitational lensing (SGL) systems have enabled unique tests of nonlinear departures from general relativity (GR) on the galactic and supergala…

astro-ph.CO2022★ 44 cited

Constraining ultralight vector dark matter with the Parkes Pulsar Timing Array second data release

Yu-Mei Wu, Zu-Cheng Chen, Qing-Guo Huang +7

Composed of ultralight bosons, fuzzy dark matter provides an intriguing solution to challenges that the standard cold dark matter model encounters on sub-galactic scales. The ultra…

astro-ph.CO2022★ 30 cited

Revising the Hubble constant, spatial curvature and dark energy dynamics with the latest observations of quasars

Tonghua Liu, Shuo Cao, Xiaolei Li +4

In this paper, we use a newly compiled sample of ultra-compact structure in radio quasars and strong gravitational lensing systems with quasars acting as background sources to cons…

astro-ph.CO2022★ 44 cited

Constraining the Merger History of Primordial-Black-Hole Binaries from GWTC-3

Lang Liu, Zhi-Qiang You, You Wu +1

Primordial black holes (PBHs) can be not only cold dark matter candidates but also progenitors of binary black holes observed by LIGO-Virgo-KAGRA (LVK) Collaboration. The PBH mass…

astro-ph.CO2022★ 48 cited

Constraints on primordial curvature spectrum from primordial black holes and scalar-induced gravitational waves

Zhu Yi, Qin Fei

The observational data of primordial black holes and scalar-induced gravitational waves can constrain the primordial curvature perturbation at small scales. We parameterize the pri…

astro-ph.CO2022★ 13 cited

Searching for Signal of Primordial Black Hole from CMB Lensing and -ray Emissions

Xiu-Hui Tan, Yang-Jie Yan, Taotao Qiu +1

In this , we search for the signal of the primordial black holes (PBHs) by correlating the -ray emissions in the MeV energy band produced by the Hawking evapora…

astro-ph.CO2022★ 10 cited

A Reliable Calibration of HII Galaxies Hubble Diagram with Cosmic Chronometers and Artificial Neural Network

Jian-Chen Zhang, Kang Jiao, Tingting Zhang +2

The relation of HII galaxies (HIIGx) calibrated by a distance indicator is a reliable standard candle for measuring the Hubble constant . The most straightforward calibr…

astro-ph.CO2022★ 34 cited

Fuzzy Dark Matter as a Solution to Reconcile the Stellar Mass Density of High-z Massive Galaxies and Reionization History

Yan Gong, Bin Yue, Ye Cao +1

The JWST early release data show unexpected high stellar mass densities of massive galaxies at , a high star formation efficiency is probably needed to explain this. Howeve…

astro-ph.CO2022★ 20 cited

Wave effect of gravitational waves intersected with a microlens field: a new algorithm and supplementary study

Xikai Shan, Guoliang Li, Xuechun Chen +2

The increase in gravitational wave (GW) events has allowed receiving strong lensing image pairs of GWs. However, the wave effect (diffraction and interference) due to the microlens…

astro-ph.CO2022★ 6 cited

Probing the Cosmological Principle with the CSST Photometric Survey

Yu-Tian Xu, Ji-Ping Dai, Dong Zhao +1

The cosmological principle states that our Universe is statistically homogeneous and isotropic at large scales. However, due to the relative motion of the Solar System, an addition…

astro-ph.CO2022★ 15 cited

Prospects of strongly lensed fast radio bursts: Simultaneous measurement of post-Newtonian parameter and Hubble constant

Ran Gao, Zhengxiang Li, He Gao

Strong gravitational lensing effect is a powerful tool to probe cosmological models and gravity theories. Recently, the time-delay cosmography from strong lensing and the stellar k…

astro-ph.CO2022★ 22 cited

Revisiting Chaplygin gas cosmologies with the recent observations of high-redshfit quasars

Jie Zheng, Shuo Cao, Yujie Lian +3

In this paper, we use the latest observations of quasars covering the redshift range of to investigate a series of Chaplygin gas models as candidates for unified dark…

astro-ph.CO2022★ 4 cited

Statistical distribution of HI 21cm intervening absorbers as potential cosmic acceleration probes

Chang-Zhi Lu, Tingting Zhang, Tong-Jie Zhang

Damped Lyman- Absorber (DLA), or HI 21cm Absorber (H21A), is an important probe to model-independently measure the acceleration of spectroscopic velocity () via th…

astro-ph.CO2022★ 8 cited

Primordial black holes induced stochastic axion-photon oscillations in primordial magnetic field

Hai-Jun Li

Primordial black holes (PBHs) can be produced in the very early Universe due to the large density fluctuations. The cosmic background of axion-like particles (ALPs) could be non-th…

astro-ph.CO2022★ 15 cited

Forecasting the Cross-Correlation of the CSST galaxy survey with the FAST HI Intensity Map

Furen Deng, Yan Gong, Yougang Wang +3

The cross-correlation of optical galaxies with the neutral hydrogen (HI) radiation intensity can enhance the signal-to-noise ratio (SNR) of the HI intensity measurement. In this pa…

astro-ph.CO2022★ 9 cited

Forecast of cross-correlation of CSST cosmic shear tomography with AliCPT-1 CMB lensing

Zhengyi Wang, Ji Yao, Xiangkun Liu +3

We present a forecast study on the cross-correlation between cosmic shear tomography from the Chinese Survey Space Telescope (CSST) and CMB lensing from Ali CMB Polarization Telesc…

astro-ph.CO2022★ 21 cited

Likelihood-free Inference with Mixture Density Network

Guo-Jian Wang, Cheng Cheng, Yin-Zhe Ma +1

In this work, we propose using the mixture density network (MDN) to estimate cosmological parameters. We test the MDN method by constraining parameters of the CDM and CDM mod…

astro-ph.CO2022★ 8 cited

Cosmological-model-independent tests of cosmic distance duality relation with Type Ia supernovae and radio quasars

Yuan He, Yu Pan, Dong-Ping Shi +4

In this paper, we investigate the possible deviations of the cosmic distance duality relation (CDDR) using the combination of the largest SNe Ia (Pantheon) and compact radio quasar…

astro-ph.CO2022★ 3 cited

Constraints on the Helium Abundance from Fast Radio Bursts

Liang Jing, Jun-Qing Xia

Through the relationship between dispersion measures (DM) and redshifts, fast radio bursts (FRBs) are considered to be very promising cosmological probes. In this paper, we attempt…

astro-ph.CO2022★ 17 cited

Constraints on compact dark matter from lensing of gravitational waves for the third-generation gravitational wave detector

Huan Zhou, Zhengxiang Li, Kai Liao +1

Since the first gravitational wave (GW) event from binary black hole (BBH) was detected by LIGO-Virgo, GWs have become a useful probe on astrophysics and cosmology. If compact dark…

astro-ph.CO2022★ 10 cited

The Ultramarine Simulation: properties of dark matter haloes before redshift 5.5

Qiao Wang, Liang Gao, Cheng Meng

We introduce the Ultramarine simulation, an extremely large -body simulation of the structure formation and evolution to redshift 5.5 at which cosmic reionization was just compl…

astro-ph.CO2022★ 62 cited

Search for the Gravitational-wave Background from Cosmic Strings with the Parkes Pulsar Timing Array Second Data Release

Zu-Cheng Chen, Yu-Mei Wu, Qing-Guo Huang

We perform a direct search for an isotropic stochastic gravitational-wave background (SGWB) produced by cosmic strings in the Parkes Pulsar Timing Array second data release. We fin…