Multiple eigenmodes of geodesic acoustic mode in collisionless plasmas

被引：83

作者：

Gao, Zhe ^{[1
]}

Itoh, K.

Sanuki, H.

Dong, J. Q.

机构：

[1] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China

[2] Natl Inst Fus Sci, Gifu 5095292, Japan

[3] SW Inst Phys, Chengdu 610041, Peoples R China

来源：

PHYSICS OF PLASMAS | 2006年 / 13卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Eigenvalues and eigenfunctions - Electric potential - Geodesy - Mathematical models - Titanium compounds;

D O I：

10.1063/1.2359722

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

We report a series of eigenmodes of the geodesic acoustic mode (GAM), which includes the standard GAM, a branch of low-frequency mode, and a series of ion sound wave-like modes. The case of T-i > T-e is investigated, and eigenfrequencies of these modes are obtained analytically from a linear gyrokinetic model in collisionless plasmas with a rigid constant electrostatic potential around a magnetic surface. (c) 2006 American Institute of Physics.

引用

页数：4

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