VLF emissions from ionospheric/magnetospheric plasma |
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Authors: | R P Patel R P Singh |
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Institution: | (1) Atmospheric Research Laboratory, Physics Department, Banaras Hindu University, 221 005 Varanasi, India |
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Abstract: | VLF emissions such as hiss, chorus, oscillating tones, hiss-triggered chorus and whistler triggered emissions have been observed
at low latitude Indian stations. In this paper we present dynamic spectra of these emissions and discuss their various observed
features. It is argued that most of the emissions are generated during Doppler shifted cyclotron resonance interaction between
the whistler mode wave and counter streaming energetic electrons. Resonance energy of the participating electron and interaction
length are evaluated to explain the generation mechanism of some of these emissions observed at Indian stations. |
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Keywords: | Hiss triggered chorus whistler triggered emissions Cerenkov radiation wave-particle interaction |
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