Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsh21a1576m&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #SH21A-1576
Physics
7815 Electrostatic Structures, 7847 Radiation Processes, 7852 Solitons And Solitary Waves (4455), 7867 Wave/Particle Interactions (2483, 6984)
Scientific paper
The localization and modulation implied by interpreting solar wind Langmuir waves as eigenmodes of density perturbations are incompatible with the generally used approximation that these Langmuir waves are infinite plane waves in a homogenous plasma. Therefore, aspects of type II and type III radio burst theory require a reformulation that incorporates wave localization and modulation from the outset. The electric field structure perpendicular to the local magnetic field of solar wind Langmuir waves and the conversion of electrostatic waves to electromagnetic radiation specifically are addressed. Data from the STEREO/WAVES instrument is used to show that observed Langmuir wave transverse electric field structure is consistent with an eigenmode interpretation. The connection between observed electrostatic structures at harmonics of the local plasma frequency and antenna radiation of localized wave packets is also explored.
Bale Stuart
Bougeret J-J.
Cairns Iver H.
Ergun Robert E.
Kaiser Michael L.
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