Abstract
In this paper we started with a Quantum hydrodynamics system for a plasma containing stationary ions inertial cold electron and inertialess hot electrons that provide the restoring force, such that electron acoustic (EA) mode are generated. We obtained nonlinear KdV equation by employing reductive perturbative technique (RPT). Next we studied the dynamical properties of the electron acoustic wave (EAWs) and analyse the stability criterion.
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