SH31A-2399
OBLIQUE PROPAGATION OF ION ACOUSTIC SOLITONS IN MAGNETIZED SUPERTHERMAL PLASMAS
Wednesday, 16 December 2015
Poster Hall (Moscone South)
Selvaraj Devanandhan1, T Sreeraj1, Satyavir Singh2 and Gurbax Singh Lakhina3, (1)Indian Institute of Geomagnetism, Upper Atmosphere Studies, Navi Mumbai, India, (2)Organization Not Listed, Washington, DC, United States, (3)Indian Institute Geomagnetism, New Panvel (W), Navi, India
Abstract:
Small amplitude ion-acoustic solitons are studied in a magnetized plasma consisting of protons, doubly charged helium ions and superthermal electrons. The Korteweg-de-Vries-Zakharov-Kuznetsov (KdV-ZK) is derived to examine the properties of ion acoustic solitary structures observed in space plasmas. Our model is applicable for weakly magnetized plasmas. The results will be applied to the satellite observations in the solar wind at 1 AU where magnetized ion acoustic waves with superthermal electrons can exist. The effects of superthermality, temperature and densities on these solitary structures will be discussed.
