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Chaos and oscillations in a loaded plasma-filled diode

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3 Author(s)
Xiaodong Chen ; Dept. of Electron. Eng., Queen Mary & Westfield Coll., London, UK ; Lindsay, P.A. ; Jianxin Zhang

A plasma-filled diode can be used as a model for the interaction space in a virtual cathode oscillator (VCO) (vircator). It is shown that depending on the separation of the electrodes xˆL, the initial ion/electron ratio αˆ, and the load Zˆl , the system may exhibit a cascade of bifurcations leading to chaos. The positioning and extent of chaos can be controlled by a judicious choice of the above parameters. It is also shown that for a range of values of xˆL,αˆ, and Zˆl the system is capable of generating oscillations of a well-defined frequency. For other ranges, it reaches a stable state or becomes unstable

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Plasma Science, IEEE Transactions on  (Volume:28 ,  Issue: 3 )