Fluid closures which mimic wave-praticle interactions in strong Langmuir turbulence
Journal Article
·
· Physical Review Letters; (United States)
- Campus Box 391, Department of Astrophysical, Planetary, and Atmospheric Sciences, University of Colorado, Boulder, Colorado 80309 (United States)
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543 (United States)
A new two-time-scale model of strong Langmuir turbulence has been constructed, using higher-moment fluid equations with dissipative closures designed to better simulate Vlasov theory predictions of linear wave properties, and to treat collisionless heating of particles by waves. Numerical solutions are carried out in a study of electron heating associated with collapse and burnout of a large-amplitude initial Langmuir wave and in a study of radiation-driven Langmuir turbulence interacting with ion-acoustic [ital quasimodes] in plasmas with [ital T][sub [ital e]][approx][ital T][sub [ital i]].
- OSTI ID:
- 6420717
- Journal Information:
- Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 70:26; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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