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THE FRICTION AND DIFFUSION-COEFFICIENTS WITH MAXWELLIAN SCATTERS
CHANG, YB; HUO, YP; LIU, JX; CHANG, YB , ACAD SINICA, INST PLASMA PHYS, POB 1126, HEFEI 230031, PEOPLES R CHINA.
1993
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号20期号:3页码:359-366
摘要The Fokker-Planck coefficients for Coulomb interaction, or the friction coefficient (Delta ($) over right arrow v(alpha)) (the average change in velocity) and the diffusion coefficient (Delta ($) over right arrow v(alpha)Delta ($) over right arrow v(alpha)), are evaluated by an appropriate variable change technique. This approach reduces the five-fold integral expressions of the Fokker-Planck coefficients to one-fold integral without meeting the divergence difficulties. A new Debye cutoff parameter Delta v(amin) instead of the customary theta(min) cutoff avoids the error incurred through the customary neglecting of velocity dependence of the Coulomb logarithm. The dominant terms of the new results are similar to Chandrasekhar's results. A non-dominant term, which can exceed the dominant one in the case of v(alpha)(2) > v(beta t)(2) In Lambda, is added for (Delta v(alpha parallel to)(2)).
部门归属ACAD SINICA, INST THEORET PHYS, BEIJING 100080, PEOPLES R CHINA
关键词Collision
学科领域Physics
收录类别SCI
WOS记录号WOS:A1993MH61800014
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12089
专题理论物理所1978-2010年知识产出
通讯作者CHANG, YB , ACAD SINICA, INST PLASMA PHYS, POB 1126, HEFEI 230031, PEOPLES R CHINA.
推荐引用方式
GB/T 7714
CHANG, YB,HUO, YP,LIU, JX,et al. THE FRICTION AND DIFFUSION-COEFFICIENTS WITH MAXWELLIAN SCATTERS[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1993,20(3):359-366.
APA CHANG, YB,HUO, YP,LIU, JX,&CHANG, YB , ACAD SINICA, INST PLASMA PHYS, POB 1126, HEFEI 230031, PEOPLES R CHINA..(1993).THE FRICTION AND DIFFUSION-COEFFICIENTS WITH MAXWELLIAN SCATTERS.COMMUNICATIONS IN THEORETICAL PHYSICS,20(3),359-366.
MLA CHANG, YB,et al."THE FRICTION AND DIFFUSION-COEFFICIENTS WITH MAXWELLIAN SCATTERS".COMMUNICATIONS IN THEORETICAL PHYSICS 20.3(1993):359-366.
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