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On the theory of large amplitude Alfven wavesLarge amplitude Alfvenic disturbances of arbitrary spatial shape and polarization are described by MHD equations, without resort to the usual assumption of planarity. However, because of their nonplanar nature, the direction of propagation of these disturbances cannot, in general, be determined by looking for minima in a variance matrix constructed from observed field fluctuations. When such minima exist, one is observing that subset of interplanetary Alfven waves that is essentially planar.
Document ID
19740014712
Acquisition Source
Legacy CDMS
Document Type
Preprint (Draft being sent to journal)
Authors
Goldstein, M. L. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Klimas, A. J. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Barish, F. D. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 3, 2013
Publication Date
April 1, 1974
Subject Category
Communications
Report/Patent Number
X-692-74-106
NASA-TM-X-70640
Accession Number
74N22825
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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