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Theory of semicollisional kinetic Alfve´n modes in sheared magnetic fields

 

作者: T. S. Hahm,   Liu Chen,  

 

期刊: Physics of Fluids(00319171)  (AIP Available online 1985)
卷期: Volume 28, issue 10  

页码: 3061-3065

 

ISSN:0031-9171

 

年代: 1985

 

DOI:10.1063/1.865347

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The spectra of the semicollisional kinetic Alfve´n modes in a sheared slab geometry are investigated, including the effects of finite ion Larmor radius and diamagnetic drift frequencies. The eigenfrequencies of the damped modes are derived analytically via asymptotic analyses. In particular, as one reduces the resistivity, it is found that, because of finite ion Larmor radius effects, the damped mode frequencies asymptotically approach finite real values corresponding to the end points of the kinetic Alfve´n continuum.

 

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