DOI: 10.1002/2016GL071250
论文题名: Exclusion principle for very oblique and parallel lower band chorus waves
作者: Agapitov O.V. ; Mourenas D. ; Artemyev A.V. ; Mozer F.S.
刊名: Geophysical Research Letters
ISSN: 0094-8435
EISSN: 1944-8166
出版年: 2016
卷: 43, 期: 21 起始页码: 11112
结束页码: 11120
语种: 英语
英文关键词: chorus generation
; oblique whistlers
; plasma waves
; wave-particle interactions
Scopus关键词: Electromagnetic waves
; Electrons
; Magnetosphere
; Plasma waves
; Chorus generation
; Electron distributions
; Low energy electrons
; Oblique whistlers
; Particle simulations
; Simultaneous measurement
; Temperature anisotropy
; Wave-particle interactions
; Atmospherics
; Pachycephalidae
英文摘要: Simultaneous measurements of intense very oblique and parallel lower band chorus waves are rare in the Earth's inner magnetosphere. A possible explanation is that very oblique and parallel waves generally cannot be generated simultaneously, due to a suppression of parallel wave growth by fast nonlinear modifications of the electron distribution induced by very oblique waves. The corresponding exclusion principle for intense lower band chorus waves is proposed based on in situ measurements and tested in particle simulations. Parallel acceleration of low-energy electrons trapped by very oblique waves up to the energy range of cyclotron resonance with parallel waves is very efficient and should usually result in a quick suppression of the temperature anisotropy necessary for parallel wave growth. Selected spacecraft observations have confirmed the main aspects of the proposed exclusion scenario. These results should help to better assess the respective roles of oblique and parallel lower band chorus in energetic electron dynamics. ©2016. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84999006610&doi=10.1002%2f2016GL071250&partnerID=40&md5=26571360f8d512c691cd718a46129f60
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9398
Appears in Collections: 科学计划与规划 气候变化与战略
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作者单位: Space Science Laboratory, University of California, Berkeley, CA, United States
Recommended Citation:
Agapitov O.V.,Mourenas D.,Artemyev A.V.,et al. Exclusion principle for very oblique and parallel lower band chorus waves[J]. Geophysical Research Letters,2016-01-01,43(21).