Nonlinear development of whistler turbulence and energy transfer mechanism to plasma particles
Nonlinear development of whistler turbulence and energy transfer mechanism to plasma particles
批准号:
21740353
负责人:
SAITO Shinji
金额:
$2.75万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Young Scientists (B)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2011
中文摘要
本文利用包括动力学效应在内的等离子体细胞内粒子模拟,研究了哨声湍流的非线性发展及其能量转化为电子动能的机制。特别是,我们重点研究了等离子体β对哨声湍流的依赖关系,发现等离子体β对哨声湍流的电子加热特性和波数谱的改变具有重要作用。
英文摘要
We have investigated nonlinear development of whistler turbulence and its energy conversion mechanism into electron kinetic energy, using plasma particle-in-cell simulations including kinetic effects. Especially, we focus on plasma beta dependence of the whistler turbulence, and found that the plasma beta has an important role to change characteristics of electron heating and wavenumber spectrum of whistler turbulence.
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海外基金