44 citations · 197 across the 18 of their papers we have counts for
19 papers
A Boundary-Consistent Two-Zone Electron Kernel for Distant Pulsar Contributions to Positron Flux and Anisotropy
Yiwei Bao, Jie-Shuang Wang, Hao Zhou
We present a semi-analytical series solution for electron and positron propagation in a spherical two-zone diffusion model. The solution treats slow diffusion inside a near-source…
Finite-Core Signatures in LISA-Band Wave-Optics Lensing by Low-Mass Dark Matter Halos
Dejiang Li, Tonghua Liu, Kai Liao +3
LISA-band gravitational waves from massive binary black holes can be diffractively lensed by low-mass dark matter halos and subhalos, so their frequency-dependent amplification can…
Identifying Microlensing by Compact Dark Matter through Diffraction Patterns in Gravitational Waves with Machine Learning
Ao Liu, Tonghua Liu, Dejiang Li +5
Gravitational wave lensing, particularly microlensing by compact dark matter (DM), offers a unique avenue to probe the nature of dark matter. However, conventional detection method…
Probing potential redshift-dependent systematics in the Hubble tension: Model-independent constraints from DESI R2
Tonghua Liu, Shuo Cao, Jieci Wang
We present a determination of the Hubble constant () using the latest observational data from multiple cosmological probes, providing an independent geometric calibration of t…
Identification of Strongly Lensed Gravitational Wave Events Using Squeeze-and-Excitation Multilayer Perceptron Data-efficient Image Transformer
Dejiang Li, Tonghua Liu, Ao Liu +4
With the advancement of third-generation gravitational wave detectors, the identification of strongly lensed gravitational wave (GW) events is expected to play an increasingly vita…
Torsion cosmology in the light of DESI, supernovae and CMB observational constraints
Tonghua Liu, Xiaolei Li, Tengpeng Xu +2
In this work, we investigate a torsion-based cosmological model within the Einstei-Cartan framework, constrained by the latest combined datasets including DESI DR2 BAO, PantheonPlu…
Dynamical Dark Energy in the Crosshairs: A Joint Analysis with DESI, Pantheon plus, and TDCOSMO Constraints
Tonghua Liu, Xiaolei Li, Jieci Wang
In this work, we perform a comprehensive joint analysis of three representative dark energy models - , the Chevallier-Polarski-Linder (CPL) parametrization, and the Gene…
Advancing Cosmological Parameter Estimation and Hubble Parameter Reconstruction with Long Short-Term Memory and Efficient-Kolmogorov-Arnold Networks
Jiaxing Cui, Marek Biesiada, Ao Liu +3
In this work, we propose a novel approach for cosmological parameter estimation and Hubble parameter reconstruction using Long Short-Term Memory (LSTM) networks and Efficient-Kolmo…
Determination of cosmic curvature independent of the sound horizon and using BOSS/eBOSS and DESI DR1 BAO observations
Tonghua Liu, Shengjia Wang, Hengyu Wu +1
We present an improved model-independent method for determining the cosmic curvature using the observations of Baryon Acoustic Oscillations (BAOs) and the Hubble parameter. The pur…
The role of stochastic Fermi-type particle acceleration in the inner jets of Active Galactic Nuclei
Jieshuang Wang, Frank M. Rieger, Yosuke Mizuno
High-resolution radio observations of nearby active galactic nuclei have revealed extended, limb-brightened structures in their inner jets. This ties in with other multi-wavelength…
Modeling the inner part of the jet in M87: Confronting jet morphology with theory
Hai Yang, Feng Yuan, Hui Li +7
The formation of jets in black hole accretion systems is a long-standing problem. It has been proposed that a jet can be formed by extracting the rotation energy of the black hole…
Analysis of the Gravitational Wave Background Using Gamma-Ray Pulsar Timing Arrays with Next-Generation Detectors
Zhen Xie, Zhipeng Zhang, Jieshuang Wang +1
In this work, we investigate the potential of gamma-ray pulsar time array (PTA) on gravitational waves background (GWB) using future gamma-ray detectors with larger effective areas…
Studying X-ray spectra from large-scale jets of FR II radio galaxies: application of shear particle acceleration
Jia-Chun He, Xiao-Na Sun, Jie-Shuang Wang +3
Shear particle acceleration is a promising candidate for the origin of extended high-energy emission in extra-galactic jets. In this paper, we explore the applicability of a shear…
Stochastic Wave Dark Matter with Fermi-LAT -ray Pulsar Timing Array
Hoang Nhan Luu, Tao Liu, Jing Ren +4
Pulsar timing arrays (PTAs) can detect disturbances in the fabric of spacetime on a galactic scale by monitoring the arrival time of pulses from millisecond pulsars (MSPs). Recent…
Particle acceleration in shearing flows: the self-generation of turbulent spine-sheath structures in relativistic MHD jet simulations
Jie-Shuang Wang, Brian Reville, Yosuke Mizuno +2
X-ray observations of several kiloparsec-scale extragalactic jets favour a synchrotron origin. The short cooling times of the emitting electrons requires distributed acceleration o…
An Intermediate-field Fast Radio Burst Model and the Quasi-periodic Oscillation
Jieshuang Wang, Xinyu Li, Zigao Dai +1
Quasi-periodic oscillation (QPO) signals are discovered in some fast radio bursts (FRBs) such as FRB 20191221A, as well as in the X-ray burst associated with the galactic FRB from…
An Insight-HXMT view of the mHz quasi-regular modulation phenomenon in the black hole X-ray binary 4U 1630-47
Zi-Xu Yang, Liang Zhang, Yue Huang +97
Here we report the spectral-timing results of the black hole X-ray binary 4U 1630-47 during its 2021 outburst using observations from the Hard X-ray Modulation Telescope. Type-C qu…
Modeling the inner part of M87 jet: confronting jet morphology with theory
Hai Yang, Feng Yuan, Hui Li +5
The formation of jets in black hole accretion systems is a long-standing problem. It has been proposed that a jet can be formed by extracting the rotation energy of the black hole…
Tests of the Einstein Equivalence Principle using TeV Blazars
Jun-Jie Wei, Jie-Shuang Wang, He Gao +1
The observed time delays between different energy bands from TeV blazars provide a new interesting way of testing the Einstein Equivalence Principle (EEP). If the whole time delay…