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Propagation of Solar Energetic Particles in the Outer Heliosphere: Interplay between Scattering and Adiabatic Focusing

文献类型：期刊论文

作者He, H-Q1,2,3; Wan, W.1,2,3
刊名ASTROPHYSICAL JOURNAL LETTERS
出版日期2019-11-10
卷号885期号:2页码:8
关键词Interplanetary turbulence Interplanetary medium Solar particle emission Solar energetic particles Solar magnetic fields Heliosphere
ISSN号2041-8205
DOI10.3847/2041-8213/ab50bd
英文摘要The turbulence and spatial nonuniformity of the guide magnetic field cause two competitive effects, namely, the scattering effect and the adiabatic focusing effect, respectively. In this work, we numerically solve the five-dimensional Fokker?Planck transport equation to investigate the radial evolutions of these important effects undergone by the solar energetic particles (SEPs) propagating through interplanetary space. We analyze the interplay process between the scattering and adiabatic focusing effects in the context of three-dimensional propagation, with special attention to the scenario of the outer heliosphere, in which some peculiar SEP phenomena are found and explained. We also discuss the radial dependence of the SEP peak intensities from the inner through the outer heliosphere, and conclude that it cannot be simply described by a single functional form such as R-?? (R is radial distance), which is often used.
WOS关键词DIFFUSION ; TRANSPORT ; PROTON
资助项目National Natural Science Foundation of China[41621063] ; National Natural Science Foundation of China[41874207] ; National Natural Science Foundation of China[41474154] ; National Natural Science Foundation of China[41204130] ; Chinese Academy of Sciences[KZZD-EW-01-2] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2017091]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000499856000001
出版者IOP PUBLISHING LTD
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/94046]  
专题地质与地球物理研究所_中国科学院地球与行星物理重点实验室
通讯作者He, H-Q
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Beijing Natl Observ Space Environm, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 He, H-Q,Wan, W.. Propagation of Solar Energetic Particles in the Outer Heliosphere: Interplay between Scattering and Adiabatic Focusing[J]. ASTROPHYSICAL JOURNAL LETTERS,2019,885(2):8.
APA He, H-Q,&Wan, W..(2019).Propagation of Solar Energetic Particles in the Outer Heliosphere: Interplay between Scattering and Adiabatic Focusing.ASTROPHYSICAL JOURNAL LETTERS,885(2),8.
MLA He, H-Q,et al."Propagation of Solar Energetic Particles in the Outer Heliosphere: Interplay between Scattering and Adiabatic Focusing".ASTROPHYSICAL JOURNAL LETTERS 885.2(2019):8.

入库方式： OAI收割

来源：地质与地球物理研究所

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