Nonlinear evolution of an obliquely propagating Langmuir wave: boundary-value problem
Journal Article
·
· Phys. Fluids; (United States)
The nonlinear evolution of an obliquely propagating Langmuir wave is explored given boundary-value conditions, with emphasis on determining the effect of a transition between regular and stochastic electron motion. It is shown that when the angle of propagation is increased, the usual amplitude oscillations disappear because of destructive interference between the different, isolated resonances. It is also shown that the final (z = infinity) wave amplitude decreases when there is a parameter transition from the trapping to the stochastic regime because electrons become free to travel large distances in velocity space, taking large amounts of energy from the wave.
- Research Organization:
- Laboratory for Plasma and Fusion Energy Studies, University of Maryland, College Park, Maryland 20742
- OSTI ID:
- 5634709
- Journal Information:
- Phys. Fluids; (United States), Journal Name: Phys. Fluids; (United States) Vol. 26:9; ISSN PFLDA
- Country of Publication:
- United States
- Language:
- English
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