Physics
Scientific paper
May 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agusm..sm42d05m&link_type=abstract
American Geophysical Union, Spring Meeting 2001, abstract #SM42D-05
Physics
2772 Plasma Waves And Instabilities, 7867 Wave/Particle Interactions
Scientific paper
We report the results of an investigation of waves observed by the Polar spacecraft at high altitudes and latitudes and at frequencies just above the cyclotron frequency. These observations are made frequently when the spacecraft is over the polar cap as well as near the dayside cusp and near the nightside auroral region, and for ratios of gyrofrequency to plasma frequency, fp/fce ~ 1. We investigate the role of electron beams with E < ~ keV in the generation of these waves. Observed plasma parameters are used as input to the WHAMP computer code to place constraints on the free energy source and growth of these waves.
Gurnett Donald A.
Menietti Douglas J.
Pickett Jolene S.
Santolik Ondrej
Scudder Jack D.
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