Observation of high-temperature bubbles in an ECR plasma

K. Terasaka, S. Yoshimura, M. Y. Tanaka

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

Creation and annihilation of high-temperature bubbles have been observed in an electron cyclotron resonance plasma. The electron temperature in the bubble core is three times higher than that in the ambient region, and the size perpendicular to the magnetic field is much smaller than the plasma diameter. Formation of a bubble accompanies large negative spikes in the floating potential of a Langmuir probe, and the spatiotemporal behavior of the bubble has been visualized with a high-impedance wire grid detector. It is found that the bubble is in a prolate spheroidal shape with the axis along the magnetic field and occurs randomly in time and independently in space.

本文言語英語
論文番号052113
ジャーナルPhysics of Plasmas
25
5
DOI
出版ステータス出版済み - 5 1 2018

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学

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