Beyond linear gyrocenter polarization in gyrokinetic theory

被引：27

作者：

Brizard, Alain J. ^{[1
]}

机构：

[1] St Michaels Coll, Dept Phys, Colchester, VT 05439 USA

来源：

PHYSICS OF PLASMAS | 2013年 / 20卷 / 09期

关键词：

GUIDING-CENTER; MAXWELL-VLASOV; PLASMA; EQUATIONS;

D O I：

10.1063/1.4823716

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：

The concept of polarization in gyrokinetic theory is clarified and generalized to include contributions from the guiding-center (zeroth-order) polarization as well as the nonlinear (second-order) gyrocenter polarization. The guiding-center polarization, which appears as the antecedent (zeroth-order) of the standard linear (first-order) gyrocenter polarization, is obtained from a modified guiding-center transformation. The nonlinear gyrocenter polarization is derived either variationally from the third-order gyrocenter Hamiltonian or directly by gyrocenter push-forward method. (C) 2013 AIP Publishing LLC.

引用

页数：10

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