Abstract
Nonlinear, finite amplitude electron-acoustic waves in a current carrying magnetized collisionless plasma, with ion temperature much greater than the electron temperature are found to be governed by a modified K-dV equation. Using the method of inverse scattering, it is shown that this equation gives damped or growing solitons with tail formation on the reverse side. For a given soliton-width, the rates of these processes increase as the angle between the propagation vector and the magnetic field decreases. But a change in the electron to ion temperature ratio affects only the velocity of the soliton.
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