Electron acoustic waves in capacitively coupled, low-pressure rf glow discharges

M. Surendra, D. B. Graves

Research output: Contribution to journalArticlepeer-review

101 Scopus citations

Abstract

Particle-in-cell Monte Carlo simulations of rf glow discharges between parallel-plate electrodes reveal the possibility of negative period-averaged power deposited into electrons in the body of the glow. A two-fluid model of fast- and slow-electron transport demonstrates that fast electrons are compressed at the plasma-sheath boundary by the expanding sheath and are rarefied at the other (collapsing) sheath, resulting in a fast-electron density gradient through the plasma. The resulting electron acoustic waves are the key to understanding electron cooling in the body of the glow.

Original languageEnglish (US)
Pages (from-to)1469-1472
Number of pages4
JournalPhysical review letters
Volume66
Issue number11
DOIs
StatePublished - 1991
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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