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Experimental Investigation of Electron-Acoustic Waves in Electron Plasmas

Journal Article · · AIP Conference Proceedings
DOI:https://doi.org/10.1063/1.2387902· OSTI ID:20891679
;  [1];  [2]
  1. Department of Physics, University of California at San Diego, La Jolla, CA 92093-0319 (United States)
  2. Dipt. di Fisica, Univ. della Calabria, 87036 Rende (Italy)
Electron-acoustic waves have strong linear Landau damping, but are observed as nonlinear BGK modes in experiments with pure electron plasmas. The waves have phase velocity v{phi} {approx_equal} 1.3v-bar, in agreement with theory, and the longest wavelength BGK states exhibit only relatively weak damping. Shorter wavelength modes exhibit a strong decay instability which can be experimentally controlled.
OSTI ID:
20891679
Journal Information:
AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 862; ISSN APCPCS; ISSN 0094-243X
Country of Publication:
United States
Language:
English

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