On the structure of azimuthally small-scale ULF oscillations of hot space plasma in a curved magnetic field. Modes with continuous spectrum

被引：15

作者：

Cheremnykh, O. K. ^{[1
]}

Klimushkin, D. Yu. ^{[2
]}

Kostarev, D. V. ^{[2
]}

机构：

[1] Natl Acad Sci Ukraine, Space Res Inst, UA-03680 Kiev, Ukraine

[2] Inst Solar Terr Phys, Irkutsk 664033, Russia

来源：

KINEMATICS AND PHYSICS OF CELESTIAL BODIES | 2014年 / 30卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

STANDING ALFVEN WAVES; DRIFT-COMPRESSIONAL MODES; INNER MAGNETOSPHERE; BALLOONING MODES; LINE RESONANCES; AXISYMMETRICAL MAGNETOSPHERE; HYDROMAGNETIC-WAVES; SPATIAL STRUCTURE; EARTH; PERTURBATIONS;

D O I：

10.3103/S088459131405002X

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The problem of propagation of azimuthally small-scale ULF modes in plasma with 1D inhomogeneity and variable curvature of magnetic lines of force is analyzed. The propagation regions and the transverse structure of stable Alfven and cusp modes, as well as unstable ballooning modes, are determined. It is shown that long-living ballooning and cusp modes can exist. Our results qualitatively describe the behavior of ULF modes with continuous spectrum in the geomagnetosphere and can be used for interpretation of spacecraft and SuperDARN radar measurement data.

引用

页码：209 / 222

页数：14

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