| 非线性磁声波和动力Alfven波的稀疏孤子解及其在低极尖区的应用 |
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| 引用本文： | 黄光力 Quea.,DL.非线性磁声波和动力Alfven波的稀疏孤子解及其在低极尖区的应用[J].空间科学学报,1996,16(1):17-23. |
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| 作者姓名： | 黄光力 Quea. DL |
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| 作者单位： | 中国科学院紫金山天文台，中国科学院物理研究所 |
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| 摘 要： | 详细研究非线性磁声波和动力Ａｌｆｖｅｎ波稀疏型孤子解的性质，发现激发的电磁场在方向和形态上有明显区别，并和低极尖区Ｆｒｅｊａ卫星观测资料作比较，说明低频流密度下凹型更可能是非线性动力Ａｌｆｖｅｎ波所引起。
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| 关 键 词： | 极尖区 动力Alfven波 磁声波 电离层 |
THE RAREFACTIVE SOLITON SOLUTION OF NONLINEAR MAGNETOSONIC WAVE AND KINETIC ALFVEN WAVE,AND THEIR APPLICATION IN THE LOWER CUSP REGIONS |
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| Wang De-yu,Huang Guang-li.THE RAREFACTIVE SOLITON SOLUTION OF NONLINEAR MAGNETOSONIC WAVE AND KINETIC ALFVEN WAVE,AND THEIR APPLICATION IN THE LOWER CUSP REGIONS[J].Chinese Journal of Space Science,1996,16(1):17-23. |
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| Authors: | Wang De-yu Huang Guang-li |
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| Abstract: | The properties of the rarefactive soliton solution of nonlinear magnetosonicwave and kinetic Alfven wave have been studied in detail. It is found that the electric and magnetic fields, induced by different nonlinear wave are apprantly different in directions and patterns. These results are compared with the observationdata from Freja satellite in the lower cusp region. It is shown that the low frsquency events with density depression are most possibly due to nonlinear kineticAlfven wave. |
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| Keywords: | Cusp reqion Magnetosonic wave Kinetic Alfven wave |
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