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首页> 外文期刊>Bulletin of the American Physical Society >APS -Annual Meeting of the APS Four Corners Section- Event - Dynamics of phase-flip transition with changing coupling strength between two inductively coupled glow discharge plasmas
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APS -Annual Meeting of the APS Four Corners Section- Event - Dynamics of phase-flip transition with changing coupling strength between two inductively coupled glow discharge plasmas

机译：APS-APS四角分会年会-事件-两种感应耦合辉光放电等离子体之间耦合强度变化时的相翻转过渡动力学

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The dynamics of a phase-flip transition as a function of the coupling strength is studied between two inductively coupled glow discharge plasma sources. The self-sustained oscillations are produced in two independent systems that are then inductively coupled to each other through externally wound copper wires. It is observed that with the progressive increase in the oscillation frequency of one of the systems while keeping the other system parameters fixed, the coupled oscillations of the two systems abruptly jump from an in-phase to an anti-phase state. This transition is found to be dependent on the positions of the externally wound wires which determines the mutual coupling strength. When the wound wire bunch on one of the systems is placed at a distance of 6 cms away from the cathode (i.e on the plasma column) and the wire bunch on the other system near the electrode sheath area then a small entrainment region is observed without any phase-flip transition while when the wires are placed on top of the plasma column then a larger entrainment region is observed with a phase-flip transition. Model calculations to understand these observations are carried out using a coupled set of Van der Pol equations and results are found to be in good match with the experimental results.
机译：研究了两个感应耦合辉光放电等离子体源之间的相移跃迁动力学，该动力学是耦合强度的函数。自我维持的振荡在两个独立的系统中产生，然后通过外部缠绕的铜线彼此感应耦合。可以看出，随着其中一个系统的振荡频率逐渐增加，而其他系统参数保持固定，两个系统的耦合振荡突然从同相状态跃升为反相状态。发现这种过渡取决于确定相互耦合强度的外部缠绕导线的位置。当其中一个系统上的绕线束与阴极（即等离子柱上）相距6 cms且另一系统上的线束位于电极护套区域附近时，则观察到很小的夹带区域，而没有当导线放置在等离子柱的顶部时，会发生任何相位翻转，然后观察到较大的夹带区域。通过使用范德波尔方程组耦合进行模型计算以了解这些观察结果，发现结果与实验结果非常吻合。

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