Ion heating due to double-layer disruption in a plasma

K. Saeki, Satoru Iizuka, N. Sato

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)


A new mechanism is presented for ion heating in a plasma penetrated by an electron beam. Oscillating potentials comparable to the electron-beam energy are observed below the threshold of the stable double-layer formation. These fluctuations (formation and disruption of double layers) accelerate, trap, and detrap thermal ions, resulting in highly energetic ion bursts, which form a tail on the ion-energy distribution function.

Original languageEnglish
Pages (from-to)1853-1855
Number of pages3
JournalPhysical Review Letters
Issue number23
Publication statusPublished - 1980 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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