580 citations · 1.6k across the 20 of their papers we have counts for
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Coherent Electromagnetic Emission from Relativistic Magnetized Shocks
Lorenzo Sironi, Illya Plotnikov, Joonas Nättilä +1
Relativistic magnetized shocks are a natural source of coherent emission, offering a plausible radiative mechanism for Fast Radio Bursts (FRBs). We present first-principles 3D simu…
Influence of Ion-Neutral Damping on the Cosmic-Ray Streaming Instability: Magnetohydrodynamic Particle-in-cell Simulations
Illya Plotnikov, Eve C. Ostriker, Xue-Ning Bai
We explore the physics of the gyro-resonant cosmic ray streaming instability (CRSI) including the effects of ion-neutral (IN) damping. This is the main damping mechanism in (partia…
Multi-scale simulations of particle acceleration in astrophysical systems
A. Marcowith, G. Ferrand, M. Grech +3
This review aims at providing an up-to-date status and a general introduction to the subject of the numerical study of energetic particle acceleration and transport in turbulent as…
Physics and phenomenology of weakly magnetized, relativistic astrophysical shock waves
A. Vanthieghem, M. Lemoine, I. Plotnikov +4
Weakly magnetized, relativistic collisionless shock waves are not only the natural offsprings of relativistic jets in high-energy astrophysical sources, they are also associated wi…
The synchrotron maser emission from relativistic shocks in Fast Radio Bursts: 1D PIC simulations of cold pair plasmas
Illya Plotnikov, Lorenzo Sironi
The emission process of Fast Radio Bursts (FRBs) remains unknown. We investigate whether the synchrotron maser emission from relativistic shocks in a magnetar wind can explain the…
Magnetohydrodynamic-Particle-in-Cell Simulations of the Cosmic-Ray Streaming Instability: Linear Growth and Quasi-linear Evolution
Xue-Ning Bai, Eve C. Ostriker, Illya Plotnikov +1
The gyro-resonant cosmic-ray (CR) streaming instability is believed to play a crucial role in CR transport, leading to growth of Alfvén waves at small scales that scatter CRs, and…
Perpendicular relativistic shocks in magnetized pair plasma
Illya Plotnikov, Anna Grassi, Mickael Grech
Perpendicular relativistic () shocks in magnetized pair plasmas are investigated using two dimensional Particle-in-Cell simulations. A systematic survey, from unmagnetized…
The microphysics of collisionless shock waves
A. Marcowith, A. Bret, A. Bykov +12
Collisionless shocks, that is shocks mediated by electromagnetic processes, are customary in space physics and in astrophysics. They are to be found in a great variety of objects a…
A fast current-driven instability in relativistic collisionless shocks
Martin Lemoine, Guy Pelletier, Laurent Gremillet +1
We report here on a fast current-driven instability at relativistic collisionless shocks, triggered by the perpendicular current carried by the supra-thermal particles as they gyra…
Collisionless Relativistic Shocks:current driven turbulence and particle acceleration
Guy Pelletier, Martin Lemoine, Laurent Gremillet +1
The physics of collisionless relativistic shocks with a moderate magnetization is presented. Micro-physics is relevant to explain the most energetic radiative phenomena of Nature,…
Current-driven filamentation upstream of magnetized relativistic collisionless shocks
M. Lemoine, G. Pelletier, L. Gremillet +1
The physics of instabilities in the precursor of relativistic collisionless shocks is of broad importance in high energy astrophysics, because these instabilities build up the shoc…
Particle transport and heating in the microturbulent precursor of relativistic shocks
Illya Plotnikov, Guy Pelletier, Martin Lemoine
Collisionless relativistic shocks have been the focus of intense theoretical and numerical investigations in recent years. The acceleration of particles, the generation of electrom…
Particle Transport in intense small scale magnetic turbulence with a mean field
I. Plotnikov, G. Pelletier, M. Lemoine
Various astrophysical studies have motivated the investigation of the transport of high energy particles in magnetic turbulence, either in the source or en route to the observation…