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astro-ph.HE2024
Generation of Large-scale Magnetic Fields Upstream of Gamma-Ray Burst Afterglow Shocks
Ryan Golant, Arno Vanthieghem, Daniel Groselj +1
The origins of the magnetic fields that power gamma-ray burst (GRB) afterglow emission are not fully understood. One possible channel for generating these fields involves the pre-c…
astro-ph.HE2024★ 28 cited
Long-term Evolution of Relativistic Unmagnetized Collisionless Shocks
Daniel Groselj, Lorenzo Sironi, Anatoly Spitkovsky
We study a relativistic collisionless electron-positron shock propagating into an unmagnetized ambient medium using 2D particle-in-cell simulations of unprecedented duration and si…