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Integral‐equation formulation for drift eigenmodes in cylindrically symmetric systems

 

作者: Ralph Linsker,  

 

期刊: Physics of Fluids(00319171)  (AIP Available online 1981)
卷期: Volume 24, issue 8  

页码: 1485-1491

 

ISSN:0031-9171

 

年代: 1981

 

DOI:10.1063/1.863552

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A method for solving the integral eigenmode equation for drift waves in cylindrical (or slab) geometry is presented. A leading‐order kinematic effect that has been noted in the past, but incorrectly ignored in recent integral‐equation calculations, is incorporated. The present method also allows electrons to be treated with a physical mass ratio (unlike earlier work that is restricted to artificially smallmi/meowing to resolution limitations). Results for the universal mode and for the ion‐temperature‐gradient driven mode are presented. The kinematic effect qualitatively changes the spectrum of the ion mode, and a new ’’second region of instability’’ fork⊥ &rgr;i≳1 is found.

 

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