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| DOI | 10.1029/2021GL095483 |
| Do there Exist Energy Closures to the Observed Mirror Waves? | |
| L. N. Hau; C. K. Chang; B. J. Wang | |
| 2021-11-19 | |
| 发表期刊 | Geophysical Research Letters
 |
| 出版年 | 2021 |
| 英文摘要 | Low-frequency mirror waves are frequently observed in the planetary magnetosheaths for the plasma conditions of |
| 领域 | 气候变化 |
| URL | 查看原文 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/342061 |
| 专题 | 气候变化 |
| 推荐引用方式 GB/T 7714 | L. N. Hau,C. K. Chang,B. J. Wang. Do there Exist Energy Closures to the Observed Mirror Waves?[J]. Geophysical Research Letters,2021. |
| APA | L. N. Hau,C. K. Chang,&B. J. Wang.(2021).Do there Exist Energy Closures to the Observed Mirror Waves?.Geophysical Research Letters. |
| MLA | L. N. Hau,et al."Do there Exist Energy Closures to the Observed Mirror Waves?".Geophysical Research Letters (2021). |
| 条目包含的文件 | 条目无相关文件。 | |||||
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and 
. This study first shows that the thermodynamic conditions of the observed mirror events may well be described by a set of double-polytropic (DP) laws first proposed by Hau and Sonnerup (1993), 
and 
, with the polytropic values being in the ranges of 
and 
. The physical basis of the empirical thermodynamic relations is then examined based on the mixed Vlasov-MHD formulation for low-frequency linear mirror instability (Ferrière & André, 2002) which shows that the theoretical energy equations possess the DP forms with 
and 
being functions of 
; in particular, for mirror unstable cases 
and 
. The theoretical predictions are found to be in high agreements with the empirical polytropic values with the average errors of ∼6.5%.
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