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Phys Rev E Stat Nonlin Soft Matter Phys. 2005 Jun;71(6 Pt 2):066402. Epub 2005 Jun 7.

Oscillations in dc driven barrier discharges: numerical solutions, stability analysis, and phase diagram.

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CWI, P.O. Box 94079, 1090 GB Amsterdam, The Netherlands.


A short gas-discharge layer sandwiched with a semiconductor layer between planar electrodes shows a variety of spatiotemporal patterns. We focus on the spontaneous temporal oscillations that occur while a dc voltage is applied and while the system stays spatially homogeneous; the results for these oscillations apply equally to a planar discharge in series with any resistor with capacitance. We define the minimal model, identify its independent dimensionless parameters, and then present the results of the full time-dependent numerical solutions of the model as well as of a linear stability analysis of the stationary state. Full numerical solutions and the results of the stability analysis agree very well. The stability analysis is then used for calculating bifurcation diagrams. We find semiquantitative agreement with experiment for the diagram of bifurcations from stationary to oscillating solutions as well as for amplitude and frequency of the developing limit cycle oscillations.


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