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Further observations on resonance cones in non-Maxwellian plasmasResults on the angular distribution of the electrostatic potential of a pulsating point charge in a warm magnetized plasma permeated by an electron beam are presented. The theoretical formulation for a finite magnetic field is given, and the solution of the resonance cone dispersion relation is presented. Numerical results on the angular distribution of the potential are shown, and the propagation of waves outside the resonance cones is described. It is demonstrated that with the inclusions of a finite magnetic field, the field patterns of a point charge are qualitatively similar to those obtained for a uniaxial plasma. The Cerenkov radiation occurs at angles much smaller than the cold-cone angle, even with the finite magnetic field. When the beam velocity is well above the thermal velocity of the background electrons, a characteristic wave propagation occurs between the cold-cone angles.
Document ID
19830059442
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Thiemann, H.
(Utah State Univ. Logan, UT, United States)
Singh, N.
(Utah State University of Agriculture and Applied Science, Logan, UT, United States)
Date Acquired
August 11, 2013
Publication Date
August 1, 1983
Publication Information
Publication: Radio Science
Volume: 18
ISSN: 0048-6604
Subject Category
Plasma Physics
Accession Number
83A40660
Funding Number(s)
CONTRACT_GRANT: NAGW-77
CONTRACT_GRANT: NSF ATM-80-15457
Distribution Limits
Public
Copyright
Other

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