Reviews of topical problems

Kinetics of electrons in gases and condensed systems

Joint Institute for High Temperatures, Russian Academy of Sciences, ul. Izhorskaya 13/19, Moscow, 127412, Russian Federation

Kinetics of electrons moving in a gas or a plasma under the action of external fields is considered. Elementary processes of elastic and inelastic electron-atom collisions responsible for electron kinetics in weakly ionized atomic gases are analyzed. Various regimes of evolution of electrons in a gas or a plasma in external fields are considered, and the character of atom excitations under these conditions is studied. Methods of describing the electron kinetics in gases and plasma are applied to modeling the electron drift in condensed systems. It is shown that the electric properties of metals and the behavior of an excess electron in dielectrics have common features with electron drift in gases and plasmas. The drift of an excess electron in condensed inert gases is reviewed.

Fulltext is available at IOP
PACS: 51.50.+v, 52.25.Fi, 72.15.−v (all)
DOI: 10.1070/PU2002v045n12ABEH001202
Citation: Smirnov B M "Kinetics of electrons in gases and condensed systems" Phys. Usp. 45 1251–1286 (2002)
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Оригинал: Смирнов Б М «Кинетика электронов в газах и конденсированных системах» УФН 172 1411–1447 (2002); DOI: 10.3367/UFNr.0172.200212c.1411

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