Effect of ion temperature on oblique propagation of large amplitude solitary kinetic Alfvén waves

Chatterjee, Prasanta; Saha, Taraknath; Muniandy, S. V.; Wong, C. S.
October 2009
Physics of Plasmas;Oct2009, Vol. 16 Issue 10, p103702
Academic Journal
The effect of ion temperature on the existence of large amplitude solitary kinetic Alfvén waves and double layers are investigated in a two-fluid model using Sagdeev’s pseudopotential technique. The ion temperature, obliqueness parameter, and the ratio of cyclotron frequency to ion frequency are found to play significant roles in the formation and the shape of solitary kinetic Alfvén waves and double layers. Hump-type solitary waves and dip-type double layers are also observed. Conditions for the existence of solitary waves and double layers are discussed.


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