A quasi‐linear WKB kinetic theory for nonplanar waves in a nonhomogeneous warm plasma, 1. Transverse waves propagating along axisymmetric B 0
A quasi‐linear WKB kinetic theory for nonplanar waves in a nonhomogeneous warm plasma, 1. Transverse waves propagating along axisymmetric B 0
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非均匀温等离子体中非平面波的拟线性 WKB 动力学理论，1. 沿轴对称 B 0 传播的横波
DOI：
10.1029/ja083ia02p00563
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发表时间：
1978
影响因子：
--
通讯作者：
J. V. Hollweg
中科院分区：
文献类型：
--
作者：
J. V. Hollweg
本文提出了一组新的横波沿轴对称磁场沿着传播的准线性运动方程。一个WKB展开是用来包括波的非均匀性和非平面性的影响。该方程允许同时计算波功率谱的空间（和时间）演化和粒子分布函数的空间（和时间）演化，包括第一次重要的波-粒子相互作用，它明确地依赖于波的非平面性和非均匀性的等离子体和字段。的方程的有用性证明了一个冷等离子体，其中一些新的结果波的传播和加速的等离子体已经获得。沿着的方式，一个新的准线性分离的平均分布函数已被引入，其实用性是通过与流体理论的比较来证明的。主要的新结果在本文第6节中作了简要总结。
A new set of quasi-linear kinetic equations is presented for transverse waves propagating along an axisymmetric magnetic field configuration. A WKB expansion is used to include effects of nonhomogeneity and nonplanarity of the waves. The equations allow simultaneous calculation of the spatial (and temporal) evolution of wave power spectra and the spatial (and temporal) evolution of particle distribution functions, including for the first time important wave-particle interactions which depend explicitly on the nonplanarity of the waves and the nonhomogeneity of the plasma and fields. The usefulness of the equations is demonstrated for a cold plasma, where a number of new results for wave propagation and acceleration of the plasma have been obtained. Along the way, a new quasi-linear separation of the average distribution function has been introduced, the usefulness of which is demonstrated by comparison with fluid theory. The principal new results are briefly summarized in section 6 of the paper.