Hayato Tsuchiya
Kyushu University
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Publication
Featured researches published by Hayato Tsuchiya.
Journal of the Physical Society of Japan | 2005
Mayuko Koga; Hayato Tsuchiya; Yoshinobu Kawai
The effect of the boundary condition on chaotic behavior of the fluctuation observed in an electron cyclotron resonance plasma is investigated by chaos analysis using measured time series data. It ...
Japanese Journal of Applied Physics | 2007
Hayato Tsuchiya; Hiroyuki Shirahama; Yoshinobu Kawai
Controlling chaos of density fluctuations observed in electron cyclotron resonance (ECR) plasma is carried out using the time-delayed auto synchronization (TDAS) method introduced by Pyragas. Since the TDAS method, which is a sort of feedback system, requires a feedback signal, the input power of microwaves for ECR discharge is modulated by signals of frequency (<30 kHz) based on the ion-saturation current indicating the electron density. Fluctuations caused by the flute instability reach the chaotic state when the microwave power is increased. It was found that when the TDAS method is applied to the chaotic state, the chaotic state transitions to the periodic state and the correlation dimension changes from a non integer value to an integer value.
Thin Solid Films | 2006
Mayuko Koga; Yasuhiro Hishikawa; Hayato Tsuchiya; Yoshinobu Kawai
Nuclear Fusion | 2017
T. Kobayashi; K. Ida; S. Inagaki; Hayato Tsuchiya; N. Tamura; G.H. Choe; G.S. Yun; Hyeon K. Park; W.H. Ko; T.E. Evans; M. E. Austin; M.W. Shafer; Minako Ono; D. López-bruna; M.A. Ochando; T. Estrada; C. Hidalgo; C. Moon; H. Igami; Y. Yoshimura; T.Ii. Tsujimura; S.-I. Itoh; Kimitaka Itoh
Plasma and Fusion Research | 2018
Hayato Tsuchiya; Daisuke Kuwahara; T. Tokuzawa; Yoshio Nagayama; Y. Takemura
Nuclear Fusion | 2018
Tatsuya Kobayashi; K. Ida; Toru Tsujimura; Shigeru Inagaki; T. Tokuzawa; Hayato Tsuchiya; N. Tamura; H. Igami; Yasuo Yoshimura; S.-I. Itoh; Kimitaka Itoh
Proceedings of the IEICE General Conference | 2016
Yoshio Nagayama; Hayato Tsuchiya; S. Yamaguchi; Shoji Sugito; Toshifumi Moriyama; Toshiyuki Tanaka
Plasma and Fusion Research | 2016
Hayato Tsuchiya; Shigeru Inagaki; T. Tokuzawa; N. Tamura; Y. Nagayama
Plasma and Fusion Research | 2016
Akira Tani; Hayato Tsuchiya; Mayuko Koga; Y. Nagayama
EPJ Web of Conferences | 2015
Hayato Tsuchiya; Shigeru Inagaki; T. Tokuzawa; Yoshio Nagayama
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