Some Properties of large-amplitude electrostatic waves (Allis modes)

Autor:	R. W. Flynn, W. W. Neel
Rok vydání:	1973
Předmět:	Physics Classical mechanics Amplitude Wave propagation Quantum electrodynamics Trapping Electron Gravity wave Condensed Matter Physics Mechanical wave Computer Science::Computers and Society Longitudinal wave
Zdroj:	Journal of Plasma Physics. 9:117-130
ISSN:	1469-7807 0022-3778
DOI:	10.1017/s0022377800007376
Popis:	Allis modes are large-ampliturde, undamped electrostatic plasma waves, in which the trapped electron distribution is the analytic continuation of the untrapped distribution. Allis modes can be pulse-like, as well as periodic. As the amplitude of the periodic solutions increases, the frequency decrsases and the wavelength increases, leading finally to solitary pulse solutions as a limiting case, reached when an appreciable number of electrons are trapped by the wave. These pluse-like solutions imply a maximum amplitude to Allis modes, and a maximum d.c. current they can drive. A simple approximate expression gives the non-linear properties of Allis modes in terms of the linear properties and the maximum amplitude.
Databáze:	OpenAIRE
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