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Particle simulation of Langmuir turbulence during ionospheric heatingIonospheric heating leads to strong Langmuir turbulence including modulational instability, soliton formation, and spatial collapse. The Zakharov model usually used to describe these effects contains a low-frequency ion-acoustic wave equation which cannot be rigorously justified in the ionosphere where the electron and ion temperatures are comparable. In the present work, the low-frequency physics is described by a many-ion computer simulation. While some differences are found, the results for the most part confirm the earlier, much less difficult, Zakharov calculations.
Document ID
19910031772
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Clark, K. L.
(Iowa Univ. Iowa City, IA, United States)
Payne, G. L.
(Iowa Univ. Iowa City, IA, United States)
Nicholson, D. R.
(Iowa, University Iowa City, United States)
Date Acquired
August 15, 2013
Publication Date
November 1, 1990
Publication Information
Publication: Geophysical Research Letters
Volume: 17
ISSN: 0094-8276
Subject Category
Geophysics
Accession Number
91A16395
Funding Number(s)
CONTRACT_GRANT: NSF ATM-87-12235
CONTRACT_GRANT: NAGW-1632
CONTRACT_GRANT: NSF ATM-88-03857
Distribution Limits
Public
Copyright
Other

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