Propagation of Long-Wavelength Nonlinear Slow Sausage Waves in Stratified Magnetic Flux Tubes

被引：3
|
作者：
Barbulescu, M. [1 ]
Erdelyi, R. [1 ,2 ]
机构：
[1] Univ Sheffield, Sch Math & Stat, Solar Phys & Space Plasma Res Ctr SP2RC, Hounsfield Rd,Hicks Bldg, Sheffield S3 7RH, S Yorkshire, England
[2] Hungarian Acad Sci, Res Ctr Astron & Earth Sci, Konkoly Astron Inst, DHO, POB 30, H-4010 Debrecen, Hungary
来源：
SOLAR PHYSICS | 2016年 / 291卷 / 05期
基金：
英国科学技术设施理事会;
关键词：
Magnetohydrodynamics; Nonlinear waves; STRUCTURED ATMOSPHERE; SOLITARY WAVES;
D O I：
10.1007/s11207-016-0906-1
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The propagation of nonlinear, long-wavelength, slow sausage waves in an expanding magnetic flux tube, embedded in a non-magnetic stratified environment, is discussed. The governing equation for surface waves, which is akin to the Leibovich-Roberts equation, is derived using the method of multiple scales. The solitary wave solution of the equation is obtained numerically. The results obtained are illustrative of a solitary wave whose properties are highly dependent on the degree of stratification.
引用
收藏
页码：1369 / 1384
页数：16
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