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25–29 Oct 2021
Wangjiang Hotel
Asia/Shanghai timezone

Particle Acceleration by Magnetic Reconnection Driven by Current-Driven Kink Instability Turbulence in Relativistic Jets

28 Oct 2021, 11:10
20m
Wangjiang Hotel

Wangjiang Hotel

No.42 Xiashahepu Street, Jinjiang District, Chengdu City, Sichuan Province, China
oral Session 2

Speaker

Yosuke Mizuno (T)

Description

We have investigated the acceleration of particles injected into a three-dimensional relativistic magnetohydrodynamic (RMHD) simulations of propagating relativistic jet subject to current-driven (CD) kink instability. RMHD simulations show that, once turbulence driven by CD kink instability fully develops, the amplitude of excited wiggles along the jet spine attains maximum growth, causing disruption of the magnetic field lines and the formation of fast magnetic reconnections. Low-energy protons injected into the jet at this state experience exponential acceleration, mostly in directions parallel to the local magnetic field, up to maximum energies E~10^{16} eV for B~ 0.1G. Our results can explain observed variable emission patterns, specially at very high energies observed in blazars.
Please choose the session this abstract belongs to Extragalactic sources

Primary author

Presentation materials