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Effective resistivity in relativistic collisionless plasmoid-mediated reconnection
Sebastiaan Selvi, Oliver Porth, Bart Ripperda +3
Magnetic reconnection can power spectacular high-energy astrophysical phenomena by producing non-thermal energy distributions in highly magnetized regions around compact objects. B…
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…
Ion and Electron Acceleration in Fully Kinetic Plasma Turbulence
Luca Comisso, Lorenzo Sironi
Turbulence is often invoked to explain the origin of nonthermal particles in space and astrophysical plasmas. By means of 3D fully kinetic particle-in-cell simulations, we demonstr…
The Kelvin-Helmholtz instability at the boundary of relativistic magnetized jets
Anthony Chow, Jordy Davelaar, Michael Rowan +1
We study the linear stability of a planar interface separating two fluids in relative motion, focusing on conditions appropriate for the boundaries of relativistic jets. The jet is…
Electron Re-acceleration via Ion Cyclotron Waves in the Intracluster Medium
Aaron Tran, Lorenzo Sironi, Francisco Ley +2
In galaxy clusters, the intracluster medium (ICM) is expected to host a diffuse, long-lived, and invisible population of "fossil" cosmic-ray electrons (CRe) with 1-100 MeV energies…
A Heating Mechanism via Magnetic Pumping in the Intracluster Medium
Francisco Ley, Ellen G. Zweibel, Mario Riquelme +3
Turbulence driven by AGN activity, cluster mergers and galaxy motion constitutes an attractive energy source for heating the intracluster medium (ICM). How this energy dissipates i…