Effect of ion temperature on arbitrary amplitude ion acoustic solitary waves in quantum electron-ion plasmas

Chatterjee, Prasanta; Roy, Kaushik; Muniandy, Sithi V.; Yap, S. L.; Wong, C. S.
April 2009
Physics of Plasmas;Apr2009, Vol. 16 Issue 4, p042311
Academic Journal
Using Sagdeev’s pseudopotential technique, the effect of ion temperature on the arbitrary amplitude ion acoustic solitary waves in quantum electron-ion plasma is studied. In addition, the effect of ion temperature on the region of existence, as well as on the shape of the solitary waves, is also investigated extensively. It is shown that for large amplitude solitary wave, quantum parameter H does not play any role in determining the region of existence and on the amplitude of the solitary waves. However, H has a significant effect on the width of the solitary wave. It is worth noting that our results are in agreement with previous investigations when the effect of ion temperature is neglected.


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