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Computer simulation of current penetration in a plasma

 

作者: A. T. Lin,   J. M. Dawson,  

 

期刊: Physics of Fluids(00319171)  (AIP Available online 1978)
卷期: Volume 21, issue 1  

页码: 109-116

 

ISSN:0031-9171

 

年代: 1978

 

DOI:10.1063/1.862070

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Anomalous current penetration into a plasma is a fundamental process which is important in a number of plasma situations included in which are the formation of discharges and current sheath layers. A recently developed two and one‐half dimensional magnetostatic code has been applied to the simulation of this process. Many anomalous processes are involved here including anomalous resistance, anomalous heat conduction, anomalous electron viscosity, and the formation of complex magnetic structures. Of dominant importance is the anomalous resistivity. It is important to identify the instabilities and turbulent processes involved. The results show that the induced current excites lower hybrid turbulence which may be related to lower hybrid oscillations recently observed in microtor. Anomalous heating and heat transport are also observed. In some cases the magnetic field lines are observed to reconnect and form magnetic islands.

 

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