DOI: 10.1002/2016GL070139
论文题名: Theoretical bounce resonance diffusion coefficient for waves generated near the equatorial plane
作者: Tao X. ; Li X.
刊名: Geophysical Research Letters
ISSN: 0094-8859
EISSN: 1944-8590
出版年: 2016
卷: 43, 期: 14 起始页码: 7389
结束页码: 7397
语种: 英语
英文关键词: bounce resonance diffusion
; magnetosonic waves
Scopus关键词: Atmospheric radiation
; Radiation belts
; Resonance
; Angle distribution
; Equatorial planes
; Global radiation
; Magnetosonic waves
; Pitch angle
; Pitch-angle scattering
; Diffusion
英文摘要: Theoretical bounce resonance diffusion coefficient for waves generated near the equatorial plane with arbitrary wave normal angle distributions is derived. Previous studies either assumed waves to cover the whole bounce trajectory or to have only one wave normal angle for a given frequency. In this work, we theoretically derive a new bounce resonance diffusion coefficient without these limitations. We demonstrate that the pitch angle diffusion from bounce resonance is significant for near-equatorially mirroring particles using a published magnetosonic wave model. Our results suggest that the bounce resonance diffusion by magnetosonic waves could be an important mechanism for pitch angle scattering of near-equatorially mirroring particles; therefore, it might be important to include bounce resonance with magnetosonic waves in global radiation belt modeling. ©2016. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84979789846&doi=10.1002%2f2016GL070139&partnerID=40&md5=c08f30c7fa53b5c863cf418ccda37250
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9822
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: CAS Key Laboratory of Geospace Environment, Department of Geophysics and Planetary Sciences, University of Science and Technology of China, Hefei, China
Recommended Citation:
Tao X.,Li X.. Theoretical bounce resonance diffusion coefficient for waves generated near the equatorial plane[J]. Geophysical Research Letters,2016-01-01,43(14).