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2017

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December

  

Reviews of topical problems


Electron—ion collisions in strong electromagnetic fields

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Institute of Applied Physics, Russian Academy of Sciences, ul. Ulyanova 46, Nizhny Novgorod, 603000, Russian Federation

The current status of the problem of electron—ion collisions in strong electromagnetic fields is presented. The collision operator is expressed in terms of an integral over test particle trajectories for an arbitrary alternating field. The equation for test particles is analyzed. It is shown that none of the energy processes involved (Joule heating, bremsstrahlung and fast electron generation) diminishes as the electromagnetic field amplitude increases. The collision frequency, the momentum distribution of fast electrons and the electron—ion collision operator are calculated in the classical framework.

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Fulltext: pdf (1.4 MB)
Keywords: electron—ion collisions in plasma, strong electromagnetic fields, collision operator
PACS: 52.20.Dq, 52.20.Fs, 52.25.Dg, 52.50.Sw (all)
DOI: 10.3367/UFNe.2017.02.038075
URL: https://ufn.ru/en/articles/2017/12/a/
Citation: Balakin A A, Fraiman G M "Electron—ion collisions in strong electromagnetic fields" Phys. Usp. 60 1197–1235 (2017)
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Received: 24th, October 2016, revised: 20th, February 2017, 20th, February 2017

Оригинал: Балакин А А, Фрайман Г М «Э­лектрон-ионные столкновения в сильных электромагнитных полях» УФН 187 1289–1328 (2017); DOI: 10.3367/UFNr.2017.02.038075

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