globalchange  > 气候减缓与适应
DOI: 10.1029/2017JA024960
Scopus记录号: 2-s2.0-85046798838
论文题名:
Simulation and Quasi-Linear Theory of Whistler Anisotropy Instability
作者: Lee S.-Y.; Lee E.; Seough J.; Lee J.-G.; Hwang J.; Lee J.-J.; Cho K.-S.; Yoon P.H.
刊名: Journal of Geophysical Research: Space Physics
ISSN: 21699380
出版年: 2018
卷: 123, 期:5
起始页码: 3277
结束页码: 3290
语种: 英语
英文摘要: The whistler anisotropy (or electromagnetic electron cyclotron) instability may be operative in many geomagnetic and heliospherical environments, including the radiation belt, solar wind, and the solar corona. The present investigation carries out a comparative analysis between the two-dimensional particle-in-cell simulation of weakly growing whistler anisotropy instability and the velocity moment-based two-dimensional quasi-linear theory under the assumption of bi-Maxwellian electron distribution function. It is shown that the simplified quasi-linear theory provides a qualitative agreement with the more rigorous particle-in-cell simulation, but some discrepancies are also found. Possible causes for the differences in either method are discussed, and future improvements on the theory are suggested. Potential applicability of the present finding in the context of the space and astrophysics is discussed. ©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/113999
Appears in Collections:气候减缓与适应

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

Recommended Citation:
Lee S.-Y.,Lee E.,Seough J.,et al. Simulation and Quasi-Linear Theory of Whistler Anisotropy Instability[J]. Journal of Geophysical Research: Space Physics,2018-01-01,123(5)
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