LORENTZ SELF-FORCES ON CURVED CURRENT LOOPS

被引：42

作者：

GARREN, DA ^{[1
]}

CHEN, J ^{[1
]}

机构：

[1] USN, RES LAB, DIV PLASMA PHYS, BEAM PHYS BRANCH, WASHINGTON, DC 20375 USA

来源：

PHYSICS OF PLASMAS | 1994年 / 1卷 / 10期

关键词：

D O I：

10.1063/1.870491

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：

A derivation is presented for the Lorentz self-force arising from the interaction of a slender current loop of arbitrary shape with its own magnetic field. The self-force on any loop segment depends explicitly on the global shape of the remainder of the loop. Calculations of the self-force are presented for various model loops. For loops having small to moderate noncircularity, it is shown that the self-force on a segment with local major (R) and minor (a) radii is approximately that for an axisymmetric torus having uniform R and a. These properties of the self-force critically influence the equilibrium and dynamics of thin current loops in solar and astrophysical plasmas.

引用

页码：3425 / 3436

页数：12