26 citations · 51 across the 7 of their papers we have counts for
7 papers
Convection Anisotropies of Cosmic Rays in Highly Magnetized Plasma
Yiran Zhang, Siming Liu
Recently, Zhang & Liu (2024) proposed a turbulent convection model for multiscale anisotropies of cosmic rays (CRs), with an assumption of isotropic diffusion such that the anisotr…
Small-Scale Anisotropies of Cosmic Rays from Turbulent Flow
Yiran Zhang, Siming Liu
Within the classical convection--diffusion approximation, we show that the angular distribution of cosmic rays (CRs) in a highly turbulent flow may exhibit significant small-scale…
Cosmic-Ray Convection-Diffusion Anisotropy
Yiran Zhang, Siming Liu, Dejin Wu
Under nonuniform convection, the distribution of diffusive particles can exhibit dipole and quadrupole anisotropy induced by the fluid inertial and shear force, respectively. These…
A Three-component Model for Cosmic-ray Spectrum and Dipole Anisotropy
Yiran Zhang, Siming Liu, Houdun Zeng
Using a three-component, multi-scale diffusion model, we show that the cosmic-ray (CR) proton and helium spectra and the dipole anisotropy can be explained with reasonable paramete…
Self-similar Blast Wave for A Two-component Fluid with Variable Adiabatic Index
Yiran Zhang, Edison Liang, Siming Liu
We propose a self-similar (SS) solution to hydrodynamic non-relativistic flow behind a spherical strong blast wave (BW) passing through a homogeneous plasma with efficient relativi…
Global Constraints on Diffusive Particle Acceleration by Strong Nonrelativistic Shocks
Yiran Zhang, Siming Liu
Estimating the cosmic-ray acceleration efficiency in supernova remnants (SNRs) through observations is a challenging task in general. Based on the Rankine-Hugoniot shock condi…
Anomalous distributions of primary cosmic rays as evidence for time-dependent particle acceleration in Supernova remnants
Yiran Zhang, Siming Liu, Qiang Yuan
Recent precise measurements of cosmic ray (CR) spectra show that the energy distribution of protons is softer than those of heavier nuclei, and there are spectral hardenings for al…