globalchange  > 气候减缓与适应
DOI: 10.1029/2018JA025459
Scopus记录号: 2-s2.0-85050582551
论文题名:
Electromagnetic Thermal Noise in Upper-Hybrid Frequency Range
作者: Yoon P.H.; Hwang J.; López R.A.; Kim S.; Lee J.
刊名: Journal of Geophysical Research: Space Physics
ISSN: 21699380
出版年: 2018
卷: 123, 期:7
起始页码: 5356
结束页码: 5363
语种: 英语
英文关键词: electromagnetic ; thermal noise ; upper hybrid
英文摘要: The inner magnetosphere including the radiation belt and ring current environment is replete with high-frequency fluctuations with peak intensity occurring near upper-hybrid frequency and/or multiple harmonic electron cyclotron frequencies above and below the upper-hybrid frequency. Past and contemporary spacecraft missions, including the Van Allen Probes, were designed to detect the electric field spectrum only for these high-frequency fluctuations. Making use of the recently formulated generalized theory of electromagnetic spontaneous emission in thermal magnetized plasmas, it is shown that upper-hybrid/multiple harmonic electron cyclotron emissions are characterized by a significant magnetic field component, even in the high-frequency regime. Such a prediction may potentially be tested by upcoming spacecraft missions including the Solar Probe Orbiter and Parker Solar Probe. The present finding may also have a potentially significant ramification for the broader astrophysical contexts. ©2018. American Geophysical Union. All Rights Reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/113658
Appears in Collections:气候减缓与适应

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作者单位: Korea Astronomy and Space Science Institute, Daejeon, South Korea; Institute for Physical Science and Technology, University of Maryland, College Park, MD, United States; School of Space Research, Kyung Hee University, Yongin-Si, South Korea; Korea University of Science and Technology, Daejeon, South Korea; Department of Physics, UNIST, Ulsan, South Korea

Recommended Citation:
Yoon P.H.,Hwang J.,López R.A.,et al. Electromagnetic Thermal Noise in Upper-Hybrid Frequency Range[J]. Journal of Geophysical Research: Space Physics,2018-01-01,123(7)
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