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Two-and-one-half-dimensional magnetohydrodynamic simulations of the plasma sheet in the presence of oxygen ions: The plasma sheet oscillation and compressional Pc 5 waves
Lu L(路立); Liu ZX(刘振兴); Cao JB(曹晋宾); 北京8701信箱
Department空间天气学国家重点实验室
Source PublicationPhysics of Plasmas
2002
Volume9Issue:2Pages:624-628
ISSN1070-664X
Language英语
KeywordUlf Waves Magnetosphere Pulsations Instabilities Propagation
AbstractTwo-and-one-half-dimensional magnetohydrodynamic simulations of the multicomponent plasma sheet with the velocity curl term in the magnetic equation are represented. The simulation results can be summarized as follows: (1) There is an oscillation of the plasma sheet with the period on the order of 400 s (Pc 5 range); (2) the magnetic equator is a node of the magnetic field disturbance; (3) the magnetic energy integral varies antiphase with the internal energy integral; (4) disturbed waves have a propagating speed on the order of 10 km/s earthward; (5) the abundance of oxygen ions influences amplitude, period, and dissipation of the plasma sheet oscillation. It is suggested that the compressional Pc 5 waves, which are observed in the plasma sheet close to the magnetic equator, may be caused by the plasma sheet oscillation, or may be generated from the resonance of the plasma sheet oscillation with some Pc 5 perturbation waves coming from the outer magnetosphere.
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1020
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Lu L,Liu ZX,Cao JB,et al. Two-and-one-half-dimensional magnetohydrodynamic simulations of the plasma sheet in the presence of oxygen ions: The plasma sheet oscillation and compressional Pc 5 waves[J]. Physics of Plasmas,2002,9(2):624-628.
APA 路立,刘振兴,曹晋宾,&北京8701信箱.(2002).Two-and-one-half-dimensional magnetohydrodynamic simulations of the plasma sheet in the presence of oxygen ions: The plasma sheet oscillation and compressional Pc 5 waves.Physics of Plasmas,9(2),624-628.
MLA 路立,et al."Two-and-one-half-dimensional magnetohydrodynamic simulations of the plasma sheet in the presence of oxygen ions: The plasma sheet oscillation and compressional Pc 5 waves".Physics of Plasmas 9.2(2002):624-628.
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