Observation of bifurcation phenomena in an electron beam plasma system
- Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816 (Japan)
Bifurcation phenomena are experimentally observed in an electron beam plasma system using a double plasma device. When an electron beam is injected into the target plasma, an unstable wave and the subharmonics of period 2, period 3, and period 4 are observed. The fundamental unstable wave is specified to be a beam mode wave excited by an electron beam plasma instability. It is confirmed that these bifurcation phenomena originate from nonlinearity of the unstable wave. The correlation dimensions and Lyapunov exponents indicate that the system becomes chaotic when the subharmonics of period 3 or period 4 appear. {copyright} {ital 1996 American Institute of Physics.}
- OSTI ID:
- 397507
- Journal Information:
- Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 12 Vol. 3; ISSN 1070-664X; ISSN PHPAEN
- Country of Publication:
- United States
- Language:
- English
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