Plasma based charged-particle accelerators

R Bingham, JT Mendonca… - Plasma physics and …, 2003 - iopscience.iop.org
Studies of charged-particle acceleration processes remain one of the most important areas
of research in laboratory, space and astrophysical plasmas. In this paper, we present the …

Nonthermal electron acceleration at collisionless quasi-perpendicular shocks

T Amano, Y Matsumoto, A Bohdan, O Kobzar… - Reviews of Modern …, 2022 - Springer
Shock waves propagating in collisionless heliospheric and astrophysical plasmas have
been studied extensively over the decades. One prime motivation is to understand the …

Non-thermal electron acceleration in low mach number collisionless shocks. I. Particle energy spectra and acceleration mechanism

X Guo, L Sironi, R Narayan - The Astrophysical Journal, 2014 - iopscience.iop.org
Electron acceleration to non-thermal energies in low Mach number (M s≲ 5) shocks is
revealed by radio and X-ray observations of galaxy clusters and solar flares, but the electron …

Stochastic electron acceleration during spontaneous turbulent reconnection in a strong shock wave

Y Matsumoto, T Amano, TN Kato, M Hoshino - Science, 2015 - science.org
Explosive phenomena such as supernova remnant shocks and solar flares have
demonstrated evidence for the production of relativistic particles. Interest has therefore been …

Fermi acceleration in astrophysical jets

FM Rieger, V Bosch-Ramon, P Duffy - The Multi-Messenger Approach to …, 2007 - Springer
We consider the acceleration of energetic particles by Fermi processes (ie, diffusive shock
acceleration, second order Fermi acceleration, and gradual shear acceleration) in relativistic …

Nonthermal electrons at high Mach number shocks: Electron shock surfing acceleration

M Hoshino, N Shimada - The Astrophysical Journal, 2002 - iopscience.iop.org
We study the suprathermal electron acceleration mechanism in a perpendicular
magnetosonic shock wave in a high Mach number regime by using a particle-in-cell …

Observational evidence for stochastic shock drift acceleration of electrons at the Earth's bow shock

T Amano, T Katou, N Kitamura, M Oka, Y Matsumoto… - Physical review …, 2020 - APS
The first-order Fermi acceleration of electrons requires an injection of electrons into a mildly
relativistic energy range. However, the mechanism of injection has remained a puzzle both …

Non-thermal electron acceleration in low mach number collisionless shocks. II. Firehose-mediated Fermi acceleration and its dependence on pre-shock conditions

X Guo, L Sironi, R Narayan - The Astrophysical Journal, 2014 - iopscience.iop.org
Electron acceleration to non-thermal energies is known to occur in low Mach number (M s≲
5) shocks in galaxy clusters and solar flares, but the electron acceleration mechanism …

Theory of stochastic shock drift acceleration for electrons in the shock transition region

T Katou, T Amano - The Astrophysical Journal, 2019 - iopscience.iop.org
We propose a novel electron acceleration mechanism, which we call stochastic shock drift
acceleration (SSDA), that extends the standard shock drift acceleration for low-energy …

Electron surfing and drift accelerations in a Weibel-dominated high-Mach-number shock

Y Matsumoto, T Amano, TN Kato, M Hoshino - Physical review letters, 2017 - APS
How electrons get accelerated to relativistic energies in a high-Mach-number
quasiperpendicular shock is presented by means of ab initio particle-in-cell simulations in …