NSSC OpenIR  > 空间科学部
A NUMERICAL SIMULATION OF COSMIC-RAY MODULATION NEAR THE HELIOPAUSE
Luo, Xi; Zhang, Ming; Potgieter, Marius; Feng, Xueshang; Pogorelov, N. V.; Luo, X (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, SIGMA Weather Grp, Beijing 100190, Peoples R China.
Department空间科学部
Source PublicationASTROPHYSICAL JOURNAL
2015
Volume808Issue:1Pages:82
ISSN0004-637X
Language英语
KeywordCosmic Rays Magnetohydrodynamics (Mhd) Sun: Heliosphere
AbstractBased on a hybrid galactic cosmic-ray transport model, which incorporated MHD global heliospheric data into Parker's cosmic-ray transport equation, we studied the behavior of the transport of galactic cosmic rays and the corresponding gradients in their flux near the heliopause (HP). We found that, (1) by increasing the ratio of the parallel diffusion coefficient to the perpendicular diffusion coefficient in the interstellar magnetic field of the outer heliosheath, the simulated radial flux near the HP increases as well. As the ratio multiplying factor reached 1010, the radial flux experienced a sudden jump near the HP, similar to what Voyager 1 observed in 2012. (2) The effect of changing the diffusion coefficients' ratio on the radial flux variation depends on the energy of the cosmic rays, the lower the energy, the more pronounced the effect is. (3) The magnitude of the diffusion coefficients also affect the radial flux near the HP, the modulation beyond the HP varies by adjusting the magnitude multiplying factor.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4598
Collection空间科学部
Corresponding AuthorLuo, X (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, SIGMA Weather Grp, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Luo, Xi,Zhang, Ming,Potgieter, Marius,et al. A NUMERICAL SIMULATION OF COSMIC-RAY MODULATION NEAR THE HELIOPAUSE[J]. ASTROPHYSICAL JOURNAL,2015,808(1):82.
APA Luo, Xi,Zhang, Ming,Potgieter, Marius,Feng, Xueshang,Pogorelov, N. V.,&Luo, X .(2015).A NUMERICAL SIMULATION OF COSMIC-RAY MODULATION NEAR THE HELIOPAUSE.ASTROPHYSICAL JOURNAL,808(1),82.
MLA Luo, Xi,et al."A NUMERICAL SIMULATION OF COSMIC-RAY MODULATION NEAR THE HELIOPAUSE".ASTROPHYSICAL JOURNAL 808.1(2015):82.
Files in This Item: Download All
File Name/Size DocType Version Access License
2015808182.pdf(553KB) 开放获取CC BY-NC-SAView Download
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Luo, Xi]'s Articles
[Zhang, Ming]'s Articles
[Potgieter, Marius]'s Articles
Baidu academic
Similar articles in Baidu academic
[Luo, Xi]'s Articles
[Zhang, Ming]'s Articles
[Potgieter, Marius]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Luo, Xi]'s Articles
[Zhang, Ming]'s Articles
[Potgieter, Marius]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: 2015808182.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.