On the Polarization of Half-Gyrofrequency Whistler-Mode Waves in the Two-Component Magnetospheric Plasma
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概要
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Quasi-electrostatic half-gyrofrequency whistler-mode Vl,F emissions with wavenormals close to the oblique resonance cone (&..,) have been found to be unstable forthe two-component (cold and anisotropic lower-energy hot electrons) magnetosphericplasma. The present paper deals theoretically with the electric field polarization ofhalf-gyrofrequency whistler-mode waves in such an unstable plasma, by means ofnumerically solving the full dispersion relation. At wave normal angles relativelyaway from 0..., there exists no effect of hot electrons on the polarization. When thewave normal angle further increases above a specific value (smaller by 5-10' from 0...)where we have wave growth, we expect the deformation of electric field polarizationfrom that predicted by cold plasma theory; the wave becomes more transverse. Thedeformation becomes more pronounced for more populated hot electrons with fixedcold plasma density.
- 社団法人日本物理学会の論文
- 1986-09-15
著者
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Ohmi Norichika
Research Institute Of Atmospherics Nagoya University
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Ohtsu Jinsuke
Research Institute Of Atmospherics Nagaya University
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Ohtsu Jinsuke
Research Institute Of Atmospherics Nagoya University
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Hayakawa Masashi
Research Institute Of Atmospherics Nagaya University
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Hayakawa Masashi
Research Institute of Atmospherics,Nagoya University
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