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http://dx.doi.org/10.5757/JKVS.2012.21.5.249

Nonlinear Dynamical Behavior of Beam-Plasma in the Pierce Diode  

Koh, Wook-Hee (Department of Electronics, Computer and Communication, Hanseo University)
Park, In-Ho (Department of Physics, University of Incheon)
Publication Information
Journal of the Korean Vacuum Society / v.21, no.5, 2012 , pp. 249-257 More about this Journal
Abstract
Nonlinear dynamical behaviors of plasma in the Pierce diode are investigated by a numerical code developed using a one dimensional fluid model. The plasma in Pierce diode is alternately stable and unstable as Pierce parameter is changed. The dynamical characteristics of neutral and non-neutral Pierce system is examined analytically and numerically. It alternately has growing and oscillatory mode as Pierce parameter varies. As Pierce parameter is decreased, each oscillatory mode undergoes a sequence of subharmonic period-doubling bifurcation and then culminate in a chaotic strange attractor. The analysis for this nonlinear behavior can be used as a model for understanding of beam-plasma interaction in more complex geometries and a data for chaos control.
Keywords
Pierce diode; Fluid model; Nonlinear dynamics; Chaos;
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