Bounce-averaged kinetic equations and neoclassical polarization density

被引:55
作者
Fong, BH [1 ]
Hahm, TS [1 ]
机构
[1] Princeton Univ, Plasma Phys Lab, Princeton, NJ 08543 USA
关键词
D O I
10.1063/1.873272
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 rigorous formulation of the bounce-averaged equations is presented based upon the Poincare-Cartan one-form and Lie perturbation methods. The resulting bounce-averaged Vlasov equation is Hamiltonian, and is thus suitable for the self-consistent simulation of low frequency electrostatic turbulence in the trapped ion mode regime. In the bounce-kinetic Poisson equation, the "neoclassical polarization density'' arises from the difference between the bounce-averaged banana center and real trapped particle densities across a field line. This representation of the neoclassical polarization drift as a shielding term provides a systematic way to study the long term behavior of the turbulence driven ExB flow. (C) 1999 American Institute of Physics. [S1070-664X(99)02701-9].
引用
收藏
页码:188 / 199
页数:12
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