54 citations · 207 across the 10 of their papers we have counts for
10 papers
Linearly-polarized Coherent Emission from Relativistic Magnetized Ion-electron Shocks
Masanori Iwamoto, Yosuke Matsumoto, Takanobu Amano +2
Fast radio bursts (FRBs) are millisecond transient astrophysical phenomena and bright at radio frequencies. The emission mechanism, however, remains unsolved yet. One scenario is a…
Kinetic Simulations of the Filamentation Instability in Pair Plasmas
Masanori Iwamoto, Emanuele Sobacchi, Lorenzo Sironi
The nonlinear interaction between electromagnetic waves and plasmas attracts significant attention in astrophysics because it can affect the propagation of Fast Radio Bursts (FRBs)…
Saturation of the filamentation instability and dispersion measure of Fast Radio Bursts
Emanuele Sobacchi, Yuri Lyubarsky, Andrei M. Beloborodov +2
Nonlinear effects are crucial for the propagation of Fast Radio Bursts (FRBs) near the source. We study the filamentation of FRBs in the relativistic winds of magnetars, which are…
Particle Acceleration by Pickup Process Upstream of Relativistic Shocks
Masanori Iwamoto, Takanobu Amano, Yosuke Matsumoto +2
Particle acceleration at magnetized purely perpendicular relativistic shocks in electron-ion plasmas are studied by means of two-dimensional particle-in-cell simulations. Magnetize…
Mildly relativistic magnetized shocks in electron-ion plasmas -- II. Particle acceleration and heating
Arianna Ligorini, Jacek Niemiec, Oleh Kobzar +7
Particle acceleration and heating at mildly relativistic magnetized shocks in electron-ion plasma are investigated with unprecedentedly high-resolution two-dimensional particle-in-…
Mildly relativistic magnetized shocks in electron-ion plasmas I. Electromagnetic shock structure
Arianna Ligorini, Jacek Niemiec, Oleh Kobzar +8
Mildly relativistic shocks in magnetized electron-ion plasmas are investigated with 2D kinetic particle-in-cell simulations of unprecedentedly high resolution and large scale for c…
Precursor Wave Amplification by Ion-Electron Coupling through Wakefield in Relativistic Shocks
Masanori Iwamoto, Takanobu Amano, Masahiro Hoshino +5
We investigated electromagnetic precursor wave emission in relativistic shocks by using two-dimensional particle-in-cell simulations. We found that the wave amplitude is significan…
The Efficiency of Coherent Radiation from Relativistic Shocks
Takanobu Amano, Masanori Iwamoto, Yosuke Matsumoto +1
We discuss a mechanism for intense electromagnetic wave emission at an astrophysical relativistic shock in a magnetized collisionless plasma. At the magnetized shock, the particle…
Precursor Wave Emission Enhanced by Weibel Instability in Relativistic Shocks
Masanori Iwamoto, Takanobu Amano, Masahiro Hoshino +1
We investigated the precursor wave emission efficiency in magnetized purely perpendicular relativistic shocks in pair plasmas. We extended our previous study to include the depende…
Persistence of precursor waves in two-dimensional relativistic shocks
Masanori Iwamoto, Takanobu Amano, Masahiro Hoshino +1
We investigated the efficiency of coherent upstream large-amplitude electromagnetic wave emission via synchrotron maser instability at relativistic magnetized shocks by using two-d…