Compact formulas for bounce/transit averaging in axisymmetric tokamak geometry

被引：15

作者：

Duthoit, F. -X. ^{[1
]}

Brizard, A. J. ^{[2
]}

Hahm, T. S. ^{[3
]}

机构：

[1] Seoul Natl Univ, SNU Div Grad Educ Sustainabilizat Fdn Energy, Seoul 151742, South Korea

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

[3] Seoul Natl Univ, Dept Nucl Engn, Seoul 151742, South Korea

来源：

PHYSICS OF PLASMAS | 2014年 / 21卷 / 12期

基金：

新加坡国家研究基金会;

关键词：

REDUCTION;

D O I：

10.1063/1.4903885

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：

Compact formulas for bounce and transit orbit averaging of the fluctuation-amplitude eikonal factor in axisymmetric tokamak geometry, which is frequently encountered in bounce-gyrokinetic description of microturbulence, are given in terms of the Jacobi elliptic functions and elliptic integrals. These formulas are readily applicable to the calculation of the neoclassical susceptibility in the framework of modern bounce-gyrokinetic theory. In the long-wavelength limit for axisymmetric electrostatic perturbations, we recover the expression for the Rosenbluth-Hinton residual zonal flow [M. N. Rosenbluth and F. L. Hinton, Phys. Rev. Lett. 80, 724 (1998)] accurately. (C) 2014 AIP Publishing LLC.

引用

页数：9

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