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Electron Heating in Low Mach Number Perpendicular shocks. II. Dependence on the Pre-Shock Conditions
Xinyi Guo, Lorenzo Sironi, Ramesh Narayan
Recent X-ray observations of merger shocks in galaxy clusters have shown that the post-shock plasma is two-temperature, with the protons being hotter than the electrons. In this wo…
Electron Heating in Low Mach Number Perpendicular shocks. I. Heating Mechanism
Xinyi Guo, Lorenzo Sironi, Ramesh Narayan
Recent X-ray observations of merger shocks in galaxy clusters have shown that the post-shock plasma is two-temperature, with the protons hotter than the electrons. By means of two-…
Plasmoid statistics in relativistic magnetic reconnection
M. Petropoulou, I. M. Christie, L. Sironi +1
Plasmoids, quasi-spherical regions of plasma containing magnetic fields and high-energy particles, are a self-consistent by-product of the reconnection process in the relativistic…
A comprehensive comparison of relativistic particle integrators
Bart Ripperda, Fabio Bacchini, Jannis Teunissen +5
We compare relativistic particle integrators commonly used in plasma physics showing several test cases relevant for astrophysics. Three explicit particle pushers are considered, n…
Electron and proton heating in trans-relativistic magnetic reconnection
Michael E. Rowan, Lorenzo Sironi, Ramesh Narayan
Hot collisionless accretion flows, such as the one in Sgr A at our Galactic center, provide a unique setting for the investigation of magnetic reconnection. Here, protons are…
Particle Acceleration in Pulsar Wind Nebulae: PIC modelling
Lorenzo Sironi, Benoit Cerutti
We discuss the role of particle-in-cell (PIC) simulations in unveiling the origin of the emitting particles in PWNe. After describing the basics of the PIC technique, we summarize…