Externally heated hot cathode arcs
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The conduction path in a noble gas between an anode and a copiously emitting hot cathode consists of one, two, or more plasmas connected by sheaths and existing at different potentials. These different conducting modes1)2), the conditions under which one changes into another, and other accompanying phenomena can be reasonably well described by simple models.
KeywordsFlow Impedance Fire Mode Retrograde Motion Glowing Plasma Glowing Region
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