126 citations · 515 across the 19 of their papers we have counts for
19 papers
Exploring non-cold dark matter in a scenario of dynamical dark energy with DESI DR2 data
Tian-Nuo Li, Peng-Ju Wu, Guo-Hong Du +3
Recent observations of DESI hint that dark matter (DM) may not be cold but have a non-zero equation of state (EoS) parameter, and that dark energy (DE) may not be a cosmological co…
Cosmological preference for a positive neutrino mass at 2.7: A joint analysis of DESI DR2, DESY5, and DESY1 data
Guo-Hong Du, Tian-Nuo Li, Peng-Ju Wu +2
Neutrinos and dark energy (DE) have entered a new era of investigation, as the latest DESI baryon acoustic oscillation measurements tighten the constraints on the neutrino mass and…
Testing the cosmic distance duality relation with baryon acoustic oscillations and supernovae data
Tian-Nuo Li, Guo-Hong Du, Peng-Ju Wu +3
One of the most fundamental relationships in modern cosmology is the cosmic distance duality relation (CDDR), which describes the relationship between the angular diameter distance…
Revisiting the phenomenologically emergent dark energy model: is non-zero equation of state of dark matter favored by DESI DR2?
Tian-Nuo Li, Yi-Min Zhang, Yan-Hong Yao +3
The nature of dark matter remains one of the most fundamental and unresolved questions in modern cosmology. In most cosmological models, dark matter is typically modeled as pressur…
Comparison of dark energy models using late-universe observations
Peng-Ju Wu
In the framework of general relativity, dark energy was proposed to explain the cosmic acceleration. A pivotal inquiry in cosmology is to determine whether dark energy is the cosmo…
Cosmological search for sterile neutrinos after DESI 2024
Guo-Hong Du, Tian-Nuo Li, Peng-Ju Wu +4
The question of whether the massive sterile neutrinos exist remains a crucial unresolved issue in both particle physics and cosmology. We explore the cosmological constraints on th…
Probing the sign-changeable interaction between dark energy and dark matter with DESI baryon acoustic oscillations and DES supernovae data
Tian-Nuo Li, Guo-Hong Du, Yun-He Li +4
There is a possibility of interaction between dark energy and dark matter, and this interaction may also undergo a sign change during the evolution of the universe. In this paper,…
Revisiting holographic dark energy after DESI 2024
Tian-Nuo Li, Yun-He Li, Guo-Hong Du +4
New insights from the Dark Energy Spectroscopic Instrument (DESI) 2024 baryon acoustic oscillations (BAO) data, in conjunction with cosmic microwave background (CMB) and Type Ia su…
Measuring cosmic curvature with non-CMB observations
Peng-Ju Wu, Xin Zhang
The cosmic curvature is an important parameter related to the inflationary cosmology and the ultimate fate of the universe. In this work, we adopt the non-CMB observations…
Prospects for cosmological research with the FAST array: 21-cm intensity mapping survey observation strategies
Jun-Da Pan, Peng-Ju Wu, Guo-Hong Du +2
Precise cosmological measurements are essential for understanding the evolution of the universe and the nature of dark energy. The Five-hundred-meter Aperture Spherical Telescope (…
Impacts of dark energy on weighing neutrinos after DESI BAO
Guo-Hong Du, Peng-Ju Wu, Tian-Nuo Li +1
Recently, DESI has released baryon acoustic oscillation (BAO) data, and DES has also published its five-year supernova (SN) data. These observations, combined with cosmic microwave…
Constraints on Interacting Dark Energy Models from the DESI Baryon Acoustic Oscillation and DES Supernovae Data
Tian-Nuo Li, Peng-Ju Wu, Guo-Hong Du +4
The recent results from the first year baryon acoustic oscillations (BAO) data released by the Dark Energy Spectroscopic Instrument (DESI), combined with cosmic microwave backgroun…
Prospects for measuring dark energy with 21 cm intensity mapping experiments: A joint survey strategy
Peng-Ju Wu, Yichao Li, Jing-Fei Zhang +1
The 21 cm intensity mapping (IM) technique provides us with an efficient way to observe the cosmic large-scale structure (LSS). From the LSS data, one can use the baryon acoustic o…
Null test for cosmic curvature using Gaussian process
Peng-Ju Wu, Jing-Zhao Qi, Xin Zhang
The cosmic curvature , which determines the spatial geometry of the universe, is an important parameter in modern cosmology. Any deviation from would have a pr…
A path to precision cosmology: synergy between four promising late-universe cosmological probes
Peng-Ju Wu, Yue Shao, Shang-Jie Jin +1
In the next decades, it is necessary to forge new late-universe cosmological probes to precisely constrain the Hubble constant and the equation of state of dark energy simultaneous…
Effects of Small-Scale Absorption Systems on Neutral Islands during the Late Epoch of Reionization
Peng-Ju Wu, Yidong Xu, Xin Zhang +1
The reionization process is expected to be prolonged by the small-scale absorbers (SSAs) of ionizing photons, which have been seen as Lyman-limit systems in quasar absorption line…
Prospects for measuring dark energy with 21 cm intensity mapping experiments
Peng-Ju Wu, Xin Zhang
Using the 21 cm intensity mapping (IM) technique can efficiently perform large-scale neutral hydrogen surveys, and this method has great potential for measuring dark-energy paramet…
How can gravitational-wave standard sirens and 21 cm intensity mapping jointly provide a precise late-universe cosmological probe?
Shang-Jie Jin, Ling-Feng Wang, Peng-Ju Wu +2
In the next decades, the gravitational-wave (GW) standard siren observations and the neutral hydrogen 21-cm intensity mapping (IM) surveys, as two promising cosmological probes, wi…
Prospects for Constraining Interacting Dark Energy Models with 21 cm Intensity Mapping Experiments
Ming Zhang, Bo Wang, Peng-Ju Wu +4
We forecast constraints on cosmological parameters in the interacting dark energy models using the mock data generated for neutral hydrogen intensity mapping (IM) experiments. In t…