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Second harmonic interference patterns of ion-acoustic waves

Published online by Cambridge University Press:  13 March 2009

L. Schott
L. Schott
Affiliation:
Physics Department, University of Saskatchewan, Saskatoon, Canada S7N OWO
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Abstract

The interaction of two weakly nonlinear sinusoidal ion-acoustic waves produces mainly a fundamental and a second harmonic diffraction pattern. The former is similar to the double slit pattern well known from physical optics, while it is found that the latter resembles a linear pattern generated by the superposition of three waves. The third wave is formed by mutual nonlinear interaction of the two fundamental waves. The intensity of the second harmonic pattern is modulated by the recurrence effect and it depends also on the angle between the local wave vectors.

Type
Research Article
Information
Journal of Plasma Physics , Volume 27 , Issue 3 , June 1982 , pp. 543 - 552
Copyright
Copyright © Cambridge University Press 1982

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References

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