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CHANG, YB; HUO, YP; LIU, JX; CHANG, YB , ACAD SINICA, INST PLASMA PHYS, POB 1126, HEFEI 230031, PEOPLES R CHINA.
THE FRICTION AND DIFFUSION-COEFFICIENTS WITH MAXWELLIAN SCATTERS
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
KeywordCollision
AbstractThe 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)).
1993
ISSN0253-6102
Volume20Issue:3Pages:359-366
Subject AreaPhysics
Indexed BySCI
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12089
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCHANG, YB , ACAD SINICA, INST PLASMA PHYS, POB 1126, HEFEI 230031, PEOPLES R CHINA.
Recommended Citation
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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