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Low-frequency instabilities due to energetic oxygen ions

Published online by Cambridge University Press:  12 October 2004

S. V. SINGH ,
A. P. KAKAD ,
R. V. REDDY  and
G. S. LAKHINA
S. V. SINGH
Affiliation:
Indian Institute of Geomagnetism, Plot No. 5, Sector-18, New Panvel (W), Navi Mumbai-410218, India (satyavir@iigs.iigm.res.in)
A. P. KAKAD
Affiliation:
Indian Institute of Geomagnetism, Plot No. 5, Sector-18, New Panvel (W), Navi Mumbai-410218, India (satyavir@iigs.iigm.res.in)
R. V. REDDY
Affiliation:
Indian Institute of Geomagnetism, Plot No. 5, Sector-18, New Panvel (W), Navi Mumbai-410218, India (satyavir@iigs.iigm.res.in)
G. S. LAKHINA
Affiliation:
Indian Institute of Geomagnetism, Plot No. 5, Sector-18, New Panvel (W), Navi Mumbai-410218, India (satyavir@iigs.iigm.res.in)
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Abstract

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Low-frequency instabilities excited by energetic oxygen ions are investigated. The model consists of Maxwellian distributions for electrons and protons and Dory–Guest–Harris loss-cone distribution for oxygen ions. The electrons and protons are treated as magnetized and oxygen ions as unmagnetized. The response of the electrons is fully electromagnetic and that of the protons and oxygen ions is electrostatic. A possible application of the investigation to space plasmas is pointed out.

Type
Papers
Information
Journal of Plasma Physics , Volume 70 , Issue 5 , October 2004 , pp. 613 - 623
Copyright
2004 Cambridge University Press