Response of laboratory plasma influenced by a feedback loop to external force

Author:

Fukuyama Takao1,Omoto Masahiro1

Affiliation:

1. Faculty of Education, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan

Abstract

Abstract This study experimentally examines the sensitivity of laboratory plasma influenced by a feedback loop to applied external force, with the objective of gaining insight into chaos control in plasma. The ionization waves in laboratory plasma are adopted as the medium of a typical nonlinear system. In the case of a system without the influence of feedback (defined as system A), the orbit of the chaotic system changes to a periodic one as the intensity of the applied external force increases. In the case of a system with the influence of feedback (defined as system B), the chaotic orbit changes to a periodic one by the application of external force with lower intensity (approximately two-thirds) compared to system A. This reveals that the feedback loop enhances the response of the system to external forces.

Publisher

Oxford University Press (OUP)

Subject

General Physics and Astronomy

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Observation of Intermittent Chaos Caused by Delayed Feedback in a Laboratory Plasma;Plasma and Fusion Research;2023-11-27

2. Phase switching phenomenon in a system of three coupled DC glow discharge plasmas;Chaos: An Interdisciplinary Journal of Nonlinear Science;2023-03-01

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