Author

L. Sironi

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Preprint Sep 2026

Energy Partition in Relativistic Electron-Positron-Ion Reconnection

Relativistic magnetic reconnection, a prime mechanism for particle acceleration, has been extensively studied in electron--ion and pair plasmas, but how the dissipated energy is shared among species in electron--positron--ion plasmas, and in particular how ions are energized within a pair-dominated layer, remains poorl...

N. Mancini, L. Comisso, L. Sironi · 0 citations

Open access Sep 2026

3D Kinetic Simulations of Driven Reconnection in Merging Force-free Flux Tubes: Drift-kink Dynamics and Particle Acceleration

We present 2D and 3D particle-in-cell simulations of driven collisionless reconnection triggered by the compression and merging of two force-free flux tubes in a strongly magnetized pair plasma. During current-sheet formation, the evolution remains quasi-2D. Reconnection onset is systematically delayed in 3D, especiall...

C. Granier, Fabio Bacchini, Daniel Grošelj et al. · Astrophysical Journal · 0 citations