Quasi-neutrality breaking in a rotating plasma

Masayoshi Y. Tanaka, Shinji Yoshimura

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)


    In this paper, spontaneous quasi-neutrality breaking has been observed in a rotating plasma (plasma hole). Two-dimensional potential measurement revealed that a very high potential eφ/Te ∼ 5 is localized in the region of 1/5 of the plasma radius. Using the Poisson's equation and fast Fourier transform, we have evaluated the 2-D distribution of the degree of nonneutrality δn/n, where δn = ni - ne. It is found that δn/n is three orders of magnitude higher in the hole center than in the peripheral region and that the scale of quasi-neutrality breaking extends over 103 times the Debye length.

    Original languageEnglish
    Pages (from-to)1224-1225
    Number of pages2
    JournalIEEE Transactions on Plasma Science
    Issue number4 PART 1
    Publication statusPublished - Aug 2008

    All Science Journal Classification (ASJC) codes

    • Condensed Matter Physics
    • Nuclear and High Energy Physics


    Dive into the research topics of 'Quasi-neutrality breaking in a rotating plasma'. Together they form a unique fingerprint.

    Cite this