Characterizing the Chaos in a Steady-State Plasma Discharge
MA Lian-xi1,2 , WANG Long1
1 Institute of Physics, Chinese Academy of Sciences, Beijing 100080
2 Physics Division, China University of Geosciences, Beijing 100083
Characterizing the Chaos in a Steady-State Plasma Discharge
MA Lian-xi1,2 ;WANG Long1
1 Institute of Physics, Chinese Academy of Sciences, Beijing 100080
2 Physics Division, China University of Geosciences, Beijing 100083
关键词 ：
52.35.Mw ,
52.35.Ra
Abstract ： Chaos transited from period doubling in plasmas is characterized with several methods. Waveform and fast Fourier transform confirm that the signal is nonperiodic. One dimensional unimodal like structures of the return maps of next amplitude with peak and valley values are obtained to illustrate the deterministic feature. Numerical experiments on one-dimensional logistic map are carried out to simulate the experimental results. Positive Lyapunov exponent 1.33 ± 0.10, directly calculated from the experimental data, provides the evidence that the signal is chaotic. Correlation dimension 2.75 ± 0.05 demonstrates that this signal is decreased to a low dimensional attractor in the plasma.
Key words ：
52.35.Mw
52.35.Ra
出版日期: 1999-10-01
:
52.35.Mw
(Nonlinear phenomena: waves, wave propagation, and other interactions (including parametric effects, mode coupling, ponderomotive effects, etc.))
52.35.Ra
(Plasma turbulence)
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1999, Vol. 16 
