HE astro seminar: Masanori Iwamoto

Date: 
Thu, 15/06/202313:00-14:00
Location: 
https://huji.zoom.us/j/87160042227?pwd=ZGFta01PMGUxQ3ZzdTFIOHBaU3c1dz09
Title:  Coherent emission and associated particle acceleration in relativistic magnetized shocks

Abstract: Relativistic magnetized shocks are ubiquitous in the Universe as a consequence of interaction between relativistic plasma outflow and interstellar medium. It is well known that coherent electromagnetic waves are emitted from the shock front, which induce electrostatic plasma waves (wakefield) and transverse filamentary structures in the upstream region via induced Raman scattering and filamentation instability, respectively. The wakefield and filaments inject a fraction of the incoming particles into a particle acceleration process, in which particles are once decoupled from the upstream bulk flow by the wakefield, and are picked up again by the flow. The picked-up particles are accelerated by the motional electric field.
We will discuss the acceleration mechanism for more details in this talk. 

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