Electromagnetic lower hybrid instability driven by solar wind heat flux |
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| Authors: | Lakhina G S |
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| Institution: | (1) Indian Institute of Geomagnetism, Colaba, Bombay, India |
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| Abstract: | Under a fully electromagnetic treatment, the threshold for excitation of the lower hybrid instability driven by solar wind electron heat flux is found to be much higher than that predicted by electrostatic approximation. For average solar wind conditions at 1 AU, the fully electromagnetic lower hybrid instability is excited when the core electron drift speed is about 8V
A, whereV
A is the Alfvén speed. The region between the Sun and 1 AU is expected to be more favourable than 1 AU for this instability. |
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