INSTABILITY OF A PLASMA COLUMN CONFINED BY STANDING ELECTROMAGNETIC WAVES
The possibility of confining a cylindrical plasma column by the pressure of standing electromagnetic waves has been discussed previously. A circular wave guide which contains a coaxial plasma column is driven in the TM/sub 01/ or TE/ sub 01/ made at cut-off, the intensity of the electromagnetic field being chosen such that its pressure balances the plasma pressure. In carrying out a stability analysis a few simplifying assumptions were made. The radiation pressure is a rapidly oscillating function but only its time average is taken into account. This can be justified, if the period of oscillation is much shorter than the transit time of a sound wave through the plasma. It is assumed that there exists a sharp boundary between the plasma and the confining field. (W.D.M.)
- Research Organization:
- Space Technology Labs., Inc., Los Angeles
- NSA Number:
- NSA-14-016350
- OSTI ID:
- 4164444
- Report Number(s):
- NP-8701
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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