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Ion acoustic solitons in a relativistic warm plasma with density gradient

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1 Author(s)
H. K. Malik ; Centre for Energy Studies, Indian Inst. of Technol., Delhi, India

Modified Korteweg-deVries equation (mK-dV), which governs the behavior of ion acoustic solitons in a relativistic warm plasma with density gradient, is derived. The electron inertia is also taken into account which is important when the streaming ions are present in the plasma. A solution of the mK-dV equation is obtained for the constant density gradient. When the ion acoustic soliton propagates into the lower plasma density region, its amplitude and energy increase, but the width decreases; the same is the case for the stronger density gradients

Published in:

IEEE Transactions on Plasma Science  (Volume:23 ,  Issue: 5 )