Fluctuation threshold and profile resilience in weakly ionized plasma in a curved, unsheared magnetic field

2004 ◽  
Vol 11 (10) ◽  
pp. 4623-4633 ◽  
Author(s):  
K. Rypdal ◽  
S. Ratynskaia
Keyword(s):  
Magnetic Field ◽  
Weakly Ionized ◽  
Weakly Ionized Plasma

Enhanced plasma losses due to collisional drift waves and their reduction by dynamic stabilization in a weakly ionized plasma

1979 ◽  
Vol 57 (11) ◽  
pp. 1890-1895
Author(s):  
S. Q. Mah ◽  
H. W. H. Van Andel
Keyword(s):  
Magnetic Field ◽  
Phase Difference ◽  
Dynamic Stabilization ◽  
Plasma Transport ◽  
Drift Waves ◽  
Azimuthal Magnetic Field ◽  
Potential Fluctuations ◽  
Weakly Ionized ◽  
Weakly Ionized Plasma ◽  
Good Agreement

The mechanism of anomalous plasma transport associated with dissipative drift instabilities in a weakly ionized plasma is investigated experimentally. Detailed measurements of the phase difference between electron density and potential fluctuations are presented. The results show good agreement between predicted anomalous losses associated with this phase difference and measured reductions in the plasma density. It is shown experimentally that dynamic stabilization using an oscillating azimuthal magnetic field effectively reduces the plasma losses due to the fluctuations.

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