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Nonlinear saturation of drift waves in sheared magnetic field

 

作者: T. Tange,   K. Nishikawa,   A. K. Sen,  

 

期刊: Physics of Fluids(00319171)  （AIP Available online 1982）
卷期: Volume 25, issue 9  

页码: 1592-1597

 

ISSN:0031-9171

 

年代: 1982

 

DOI:10.1063/1.863950

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A nonlinear saturation mechanism of electrostatic drift waves in a sheared magnetic field is presented. The basic physical mechanism is the coupling of the unstable, lowest radial mode to higher modes which are damped because of their short radial wavelengths. Stationary spectra are obtained analytically and applied to the current‐driven drift wave instability.

 

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