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On the Amplification of Magnetic Field by a Supernova Blast Shock Wave in a Turbulent Medium
Fan Guo, Shengtai Li, Hui Li +3
We have performed extensive two-dimensional magnetohydrodynamic simulations to study the amplification of magnetic fields when a supernova blast wave propagates into a turbulent in…
The Growth of the Stellar Seeds of Supermassive Black Holes
Jarrett L. Johnson, Daniel J. Whalen, Christopher L. Fryer +1
The collapse of baryons into extremely massive stars with masses exceeding 10^4 M_Sun in a small fraction of protogalaxies at z > 10 is a promising candidate for the origin of supe…
Derivation of the Electron Distribution in SNR RX J1713.7-3946 via a Spectral Inversion Method
Hui Li, Siming Liu, Yang Chen
We show that the radio, X-ray and gamma-ray spectrum of the supernova remnant RX J1713.7-3946 can be accounted for with the simplest emission model, where all of these emissions ar…
The conservative cascade of kinetic energy in compressible turbulence
Hussein Aluie, Shengtai Li, Hui Li
The physical nature of compressible turbulence is of fundamental importance in a variety of astrophysical settings. We present the first direct evidence that mean kinetic energy ca…
Evolution and Distribution of Magnetic Fields from AGNs in Galaxy Clusters II. The Effects of Cluster Size and Dynamical State
Hao Xu, Hui Li, David C. Collins +2
Theory and simulations suggest that magnetic fields from radio jets and lobes powered by their central super massive black holes can be an important source of magnetic fields in th…
Thermo-Resistive Instability in Magnetar Crusts
Steven Price, Bennett Link, Richard I. Epstein +1
We investigate a thermo-resistive instability in the outer crusts of magnetars wherein a perturbation in temperature increases ohmic heating. We show that magnetars of characterist…