EFFECTS OF LATITUDINALLY DEPENDENT SOLAR WIND SPEED ON DIFFUSION COEFFICIENTS OF COSMIC RAYS IN THE PRESENCE OF ADIABATIC FOCUSING

doi:10.1088/0004-637X/800/2/117

	EFFECTS OF LATITUDINALLY DEPENDENT SOLAR WIND SPEED ON DIFFUSION COEFFICIENTS OF COSMIC RAYS IN THE PRESENCE OF ADIABATIC FOCUSING
	He, H. -Q.1,2,3; Schlickeiser, R.1
刊名	ASTROPHYSICAL JOURNAL
	2015-02-20
卷号	800 期号:2
关键词	cosmic rays diffusion solar wind Sun: heliosphere Sun: magnetic fields Sun: particle emission
ISSN号	0004-637X
DOI	10.1088/0004-637X/800/2/117
文献子类	Article
英文摘要	The solar wind is observed to display high speeds in high heliolatitude coronal holes and low speeds near the ecliptic plane. The heliospheric magnetic field associated with the solar wind plays a very important role in the transport and modulation of charged energetic particles, including galactic cosmic rays (GCRs) and solar energetic particles (SEPs), in the three-dimensional heliosphere. In previous studies, a constant solar wind speed, which is independent of heliolatitude, was assumed and commonly used in modulation modeling of cosmic rays. In this work, we investigate the realistic latitudinally dependent solar wind speed and utilize the theoretical models in hyperbolic and piecewise polynomial forms to explore the important effects on the heliospheric magnetic field and the diffusion coefficients (parallel, perpendicular, and drift scale) of cosmic rays in the presence of adiabatic focusing. Comparisons of the diffusion coefficients derived from standard Parker field and modified magnetic fields are presented. Since the structures and properties of different solar wind sources (coronal streamer belt, polar coronal hole, and transition region between them) differ from each other in essence, we suggest that the latitudinally dependent solar wind speed and the corresponding heliospheric magnetic field and diffusion coefficients with adiabatic focusing should be employed in the global modeling studies of GCRs and SEPs in the heliosphere.
WOS关键词	MEAN FREE-PATH ; HELIOSPHERIC MAGNETIC-FIELD ; PARKER SPIRAL STRUCTURE ; ENERGETIC PARTICLES ; CHARGED-PARTICLES ; PROPAGATION ; TRANSPORT ; TURBULENT ; PARALLEL ; ACCELERATION
WOS研究方向	Astronomy & Astrophysics
语种	英语
出版者	IOP PUBLISHING LTD
WOS记录号	WOS:000349782500040
资助机构	Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; National Natural Science Foundation of China(41204130 ; National Natural Science Foundation of China(41204130 ; National Natural Science Foundation of China(41204130 ; National Natural Science Foundation of China(41204130 ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; 41474154 ; 41474154 ; 41474154 ; 41474154 ; 41321003 ; 41321003 ; 41321003 ; 41321003 ; 41131066) ; 41131066) ; 41131066) ; 41131066) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; National Natural Science Foundation of China(41204130 ; National Natural Science Foundation of China(41204130 ; National Natural Science Foundation of China(41204130 ; National Natural Science Foundation of China(41204130 ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; 41474154 ; 41474154 ; 41474154 ; 41474154 ; 41321003 ; 41321003 ; 41321003 ; 41321003 ; 41131066) ; 41131066) ; 41131066) ; 41131066) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; National Natural Science Foundation of China(41204130 ; National Natural Science Foundation of China(41204130 ; National Natural Science Foundation of China(41204130 ; National Natural Science Foundation of China(41204130 ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; 41474154 ; 41474154 ; 41474154 ; 41474154 ; 41321003 ; 41321003 ; 41321003 ; 41321003 ; 41131066) ; 41131066) ; 41131066) ; 41131066) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; Deutsche Forschungsgemeinschaft(Schl 201/29-1) ; National Natural Science Foundation of China(41204130 ; National Natural Science Foundation of China(41204130 ; National Natural Science Foundation of China(41204130 ; National Natural Science Foundation of China(41204130 ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; National Important Basic Research Project(2011CB811405) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Chinese Academy of Sciences(KZZD-EW-01-2) ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; Open Research Program from StateKey Laboratory of Space Weather, Chinese Academy of Sciences ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; International Postdoctoral Exchange Fellowship Program of China(20130023) ; 41474154 ; 41474154 ; 41474154 ; 41474154 ; 41321003 ; 41321003 ; 41321003 ; 41321003 ; 41131066) ; 41131066) ; 41131066) ; 41131066)
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/86823]
专题	中国科学院地质与地球物理研究所
通讯作者	He, H. -Q.
作者单位	1.Ruhr Univ Bochum, Lehrstuhl Weltraum & Astrophys 4, Inst Theoret Phys, D-44780 Bochum, Germany 2.Chinese Acad Sci, Key Lab Earth & Planetary Phys, Inst Geol & Geophys, Beijing 100029, Peoples R China 3.Chinese Acad Sci, State Key Lab Space Weather, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	He, H. -Q.,Schlickeiser, R.. EFFECTS OF LATITUDINALLY DEPENDENT SOLAR WIND SPEED ON DIFFUSION COEFFICIENTS OF COSMIC RAYS IN THE PRESENCE OF ADIABATIC FOCUSING[J]. ASTROPHYSICAL JOURNAL,2015,800(2).
APA	He, H. -Q.,&Schlickeiser, R..(2015).EFFECTS OF LATITUDINALLY DEPENDENT SOLAR WIND SPEED ON DIFFUSION COEFFICIENTS OF COSMIC RAYS IN THE PRESENCE OF ADIABATIC FOCUSING.ASTROPHYSICAL JOURNAL,800(2).
MLA	He, H. -Q.,et al."EFFECTS OF LATITUDINALLY DEPENDENT SOLAR WIND SPEED ON DIFFUSION COEFFICIENTS OF COSMIC RAYS IN THE PRESENCE OF ADIABATIC FOCUSING".ASTROPHYSICAL JOURNAL 800.2(2015).