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Title: Turbulent cascade in a two-ion plasma

It is shown that small but finite-amplitude drift wave turbulence in a two-ion-species plasma can be modeled by a Hasegawa-Mima equation. The mode cascade process and resulting turbulent spectrum are investigated. The spectrum is found to be similar to that of a two-component plasma, but the space and time scales of the turbulent cascade process can be quite different since they are rescaled by the presence of the second ion species.
Authors:
 [1] ;  [2] ;  [1] ;  [2] ;  [3]
  1. School of Materials Science and Engineering, Nanchang University, Nanchang 330047 (China)
  2. (China)
  3. Institute for Fusion Theory and Simulation and Department of Physics, Zhejiang University, Hangzhou 310027 (China)
Publication Date:
OSTI Identifier:
22403260
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 21; Journal Issue: 11; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; AMPLITUDES; PLASMA; SIMULATION; SPECTRA; TURBULENCE; WAVE PROPAGATION