Electron surfing acceleration in a current sheet of flares

被引：2

作者：

Wang DeYu ^{[1
]}

Lu QuanMing ^{[2
]}

机构：

[1] Acad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China

[2] Univ Sci & Technol China, Dept Earth & Space Sci, Hefei 230026, Peoples R China

来源：

SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY | 2009年 / 52卷 / 11期

关键词：

electron acceleration; electrostatic wave; current sheet; PLASMA-WAVES; RECONNECTION;

D O I：

10.1007/s11433-009-0252-5

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A model of electron acceleration in a current sheet of flares is studied by the analytical approximation solution and the test particle simulation. The electron can be trapped in a potential of propagating electrostatic wave. The trapped electron moving with the phase velocity v(P) of wave may be effectively accelerated by ev(P)/c x B-z force along the outflow direction in the current sheet, if a criterion condition K > 0 for electron surfing acceleration is satisfied. The electron will be accelerated continuously until the electron de-trap from the wave potential at the turning point S.

引用

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页码：1810 / 1812

页数：3

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