| Issue |
EPL
Volume 107, Number 5, September 2014
|
|
|---|---|---|
| Article Number | 55001 | |
| Number of page(s) | 6 | |
| Section | Physics of Gases, Plasmas and Electric Discharges | |
| DOI | https://doi.org/10.1209/0295-5075/107/55001 | |
| Published online | 08 September 2014 | |
Stability of the cathode layer of normal glow discharge in argon
1 Joint Institute for High Temperatures of RAS - 13, bldg. 2 Izhorskaya str., Moscow, 125412, Russia
2 Moscow Institute of Physics and Technology - 9, Institutskiy per., Dolgoprudny, Moscow Region, 141700, Russia
Received: 30 May 2014
Accepted: 12 August 2014
The conditions of stability of the cathode layer for the normal regime of glow discharge are considered within the framework of the classical theory of the cathode layer where the requirement of a certain current radius is reduced to a force which acts on the ions of the cathode plasma. The specific force on ions is evaluated from the condition of the cathode voltage minimum. It is shown that stepwise ionization is absent in the cathode region of normal glow discharge.
PACS: 52.80.Hc – Glow; corona / 52.20.-j – Elementary processes in plasmas
© EPLA, 2014
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