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THE MODIFICATION OF THE NONLINEAR GUIDING CENTER THEORY
Qin, G.; Zhang, L. -H.; Qin, G (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, POB 8701, Beijing 100190, Peoples R China.
Department空间科学部
Source PublicationASTROPHYSICAL JOURNAL
2014
Volume787Issue:1Pages:12
ISSN0004-637X
Language英语
KeywordAcceleration Of Particles Cosmic Rays Diffusion Sun: Particle Emission Turbulence
AbstractWe modify the NonLinear Guiding Center theory for perpendicular diffusion by replacing the spectral amplitude of the two-component model of magnetic turbulence with that of the two-dimensional model (following Shalchi), and replacing the constant a(2), which indicates the degree particles following the magnetic field line, with the variable a(2) as a function of the magnetic turbulence. We combine the modified model with the NonLinear PArallel diffusion theory to solve perpendicular and parallel diffusion coefficients simultaneously. It is shown that the new model agrees better with simulations. Furthermore, we fit the numerical results of the new model with polynomials, so that the parallel and perpendicular diffusion coefficients can be calculated directly without iteration of integrations, and many numerical calculations can be reduced.
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/2753
Collection空间科学部
Corresponding AuthorQin, G (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, POB 8701, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Qin, G.,Zhang, L. -H.,Qin, G . THE MODIFICATION OF THE NONLINEAR GUIDING CENTER THEORY[J]. ASTROPHYSICAL JOURNAL,2014,787(1):12.
APA Qin, G.,Zhang, L. -H.,&Qin, G .(2014).THE MODIFICATION OF THE NONLINEAR GUIDING CENTER THEORY.ASTROPHYSICAL JOURNAL,787(1),12.
MLA Qin, G.,et al."THE MODIFICATION OF THE NONLINEAR GUIDING CENTER THEORY".ASTROPHYSICAL JOURNAL 787.1(2014):12.
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