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Theory of plasma emitter of positive ions

 a,  a, b
a Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences, prosp. akad. Lavrenteva 11, Novosibirsk, 630090, Russian Federation
b Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russian Federation

The results obtained to date by the one-dimensional theory of the emission of positive ions by a plasma are reviewed from a unified point of view. A simple and a generalized forms of the Bohm criterion are discussed. The unipolar sheath model and the two-scale theory are outlined. Kinetic and hydrodynamic models for the formation of the Debye sheath and of the ionization zone in the pre-sheath are described. It is shown that except for some artificial ionization models, the Bohm criterion is fulfilled in the equality form. The emission current from the plasma emitter is calculated in the hydrodynamic and kinetic approximations. Existing numerical codes for the simulation of positive ion sources in two and three dimensions are briefly described.

Fulltext is available at IOP
Keywords: Bohm criterion, plasma sheaths, space-charge-dominated beams, plasma simulation
PACS: 41.75.Ak, 41.85.Ar, 52.25.Jm, 52.40.Kh, 52.59.Bi, 52.59.Sa, 52.65.−y (all)
DOI: 10.3367/UFNe.0185.201507c.0753
Citation: Kotelnikov I A, Astrelin V T "Theory of plasma emitter of positive ions" Phys. Usp. 58 701–718 (2015)
BibTexBibNote ® (generic)BibNote ® (RIS) MedlineRefWorks
PT Journal Article
TI Theory of plasma emitter of positive ions
AU Kotelnikov I A
FAU Kotelnikov IA
AU Astrelin V T
FAU Astrelin VT
DP 10 Jul, 2015
TA Phys. Usp.
VI 58
IP 7
PG 701-718
RX 10.3367/UFNe.0185.201507c.0753
SO Phys. Usp. 2015 Jul 10;58(7):701-718

Received: 26th, March 2015, revised: 7th, May 2015, 12th, May 2015

Оригинал: Котельников И А, Астрелин В Т «Теория плазменного эмиттера положительных ионов» УФН 185 753–771 (2015); DOI: 10.3367/UFNr.0185.201507c.0753

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