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The Generation of Nonthermal Particles in the Relativistic Magnetic Reconnection of Pair Plasmas

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arxiv 1402.7139 v1 pith:BANPXN2V submitted 2014-02-28 astro-ph.HE

S. Zenitani , M. Hoshino This is my paper · ORCID
classification astro-ph.HE
keywords reconnectionmagneticrelativisticelectricfieldnonthermalparticlesplasmas
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Particle acceleration in the magnetic reconnection of electron-positron plasmas is studied by using a particle-in-cell simulation. It is found that a significantly large number of nonthermal particles are generated by the inductive electric fields around an X-type neutral line when the reconnection outflow velocity, which is known to be an Alfv\'{e}n velocity, is on the order of the speed of light. In such a relativistic reconnection regime, we also find that electrons and positrons form a power-law-like energy distribution through their drift along the reconnection electric field under the relativistic Speiser motion. A brief discussion of the relevance of these results to the current sheet structure, which has an antiparallel magnetic field in astrophysical sources of synchrotron radiation, is presented.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Dissipation and particle acceleration in astrophysical jets with velocity and magnetic shear: Interaction of Kelvin-Helmholtz and Drift-Kink Instabilities

    astro-ph.HE 2025-01 conditional novelty 7.0 of 10

    Combined velocity and magnetic shear in a relativistic pair plasma drives interacting Kelvin-Helmholtz and drift-kink instabilities that enhance dissipation and produce nonthermal particle acceleration.

  2. Studying the mirror acceleration via kinetic simulations of relativistic plasma turbulence

    astro-ph.HE 2025-06 unverdicted novelty 5.0 of 10

    3D PIC simulations of relativistic turbulence show mirror interactions drive perpendicular momentum gains correlated with local magnetic-field strengthening, yielding anisotropic high-energy particle distributions and...

  3. Magnetic reconnection under centrifugal and gravitational electromotive forces

    astro-ph.HE 2024-11 unverdicted novelty 5.0 of 10

    Centrifugal and gravitational forces both raise magnetic reconnection rates near Kerr black holes, with gravity separating charges and centrifugal force shortening the current sheet via curved geometry seen by a comov...

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