Parametrical amplification of Alfven waves in heat-releasing ionized media with magnetoacoustic instability

被引：14
作者：
Zavershinskiy, D. I. [1 ,2 ]
Molevich, N. E. [1 ,2 ]
机构：
[1] Samara State Aerosp Univ, Dept Phys, Samara 443086, Russia
[2] PN Lebedev Phys Inst, Dept Theoret Phys, Samara 443011, Russia
来源：
ASTROPHYSICS AND SPACE SCIENCE | 2015年 / 358卷 / 01期
关键词：
Magnetohydrodynamics (MHD); Instabilities; Sun: atmosphere; Waves; CORONAL LOOP OSCILLATIONS; SOLAR ACTIVE-REGION; MAGNETOSONIC WAVES; MAGNETOHYDRODYNAMIC WAVES; NONLINEAR-INTERACTION; MAGNETIC-FIELD; BULK VISCOSITY; PERIOD WAVES; MHD WAVES; PLASMA;
D O I：
10.1007/s10509-015-2418-0
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The three wave interaction of the powerful magnetoacoustic wave with the Alfven waves in heat-releasing ionized media is considered. The conditions of an amplification and generation of Alfven waves due to the parametrical energy transfer from unstable magnetoacoustic waves are obtained. We find the acoustic increments and show the possibility of Alfven waves amplifications in some solar atmosphere regions with the acoustical instability.
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页数：13
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