Relativistic jets of active galactic nuclei have been known to exist for 100 years. Blazars with
their jet pointing close to our line of sight are some of the most variable and extreme objects …

Over half a century from the discovery of gamma-ray bursts (GRBs), the dominant radiation
mechanism responsible for their bright and highly variable prompt emission remains poorly …

Magnetic reconnection, topological changes in magnetic fields, is a fundamental process in
magnetized plasmas. It is associated with energy release in regions of magnetic field …

Long duration gamma-ray bursts (GRBs) originate from the core collapse of massive stars,
but the identity of the central engine remains elusive. Previous work has shown that rapidly …

We investigate shock structure and particle acceleration in relativistic magnetized
collisionless electron–ion shocks by means of 2.5-dimensional particle-in-cell simulations …

Neutron star mergers are unique laboratories of accretion, ejection, and r-process
nucleosynthesis. We used 3D general relativistic magnetohydrodynamic simulations to …

Magnetic reconnection in relativistic collisionless plasmas can accelerate particles and
power high-energy emission in various astrophysical systems. Whereas most previous …

Messier 87 (M 87) is one of the nearest radio galaxies with a prominent jet extending from
sub-pc to kpc scales. Because of its proximity and the large mass of its central black hole …

Magnetic reconnection is invoked as one of the primary mechanisms to produce energetic
particles. We employ large-scale 3D particle-in-cell simulations of reconnection in …

Rotating magnetized compact objects and their accretion discs can generate strong toroidal
magnetic fields driving highly magnetized plasmas into relativistic jets. Of significant …