Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Physics of Fluids
28 (1985), S. 2458-2465
ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
An analytic study is made of the effects produced by a localized modulation of the electrical conductivity of a magnetized plasma carrying a field-aligned current. The modulation is assumed to be caused by a heating source external to the plasma. The formulation used is applicable to modulation frequencies ω below the ion-cyclotron frequency ωci, and permits the calculation of the radiation pattern which contains shear as well as compressional Alfvén modes and near fields. For ω/ωci(very-much-less-than)1, the radiation appears primarily in the form of a highly collimated shear mode traveling along the field lines passing through the spot where the modulation occurs.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.865254
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