Observation of double layers in a convergent magnetic field

An experimental investigation is presented in which an unusually stable space charge double layer is created in a low-pressure argon discharge in a convergent magnetic field. On the high potential side of the double layer unstable high-frequency oscillations are observed. First experimental results...

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Bibliographic Details
Published in:IEEE transactions on plasma science 1992-12, Vol.20 (6), p.607-613
Main Authors: Schrittwieser, R., Axnas, I., Carpenter, T., Torven, S.
Format: Article
Language:English
Subjects:
Astronomy
Earth, ocean, space
Electrons
Exact sciences and technology
Fundamental aspects of astrophysics
Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations
Laboratories
Magnetic fields
Magnetohydrodynamics and plasmas
Magnetosphere
Physics
Plasma density
Plasma sheaths
Plasma sources
Plasma temperature
Space charge
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Summary:An experimental investigation is presented in which an unusually stable space charge double layer is created in a low-pressure argon discharge in a convergent magnetic field. On the high potential side of the double layer unstable high-frequency oscillations are observed. First experimental results seem to indicate that the high-frequency oscillations exert an observable influence on the plasma density by leading to a flattening of the radial/axial density profile on the high potential side of the double layer.< >
ISSN:0093-3813
1939-9375
DOI:10.1109/27.199500