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Author(s):
Y. Nejoh
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Title:
New Stationary Solutions of the Nonlinear Drift Wave Equation
Date of publication:
Feb. 1995
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Key words:
nonlinear drift wave equation, new type of nonlinear wave modes, spiky solitary wave, explosive mode
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Abstract:
A new type of nonlinear wave modes which occur as the electrostatic drift waves in an inhomogeneous magnetized plasma is presented. The existence of a new type of spiky solitary wave and an explosive mode with the negative potential are predicted as stationary solutions of this equation. these solutions are a consequence of a density gradient and not connected with a temperature gradient. Using these nonlinear wave modes, the solitary structure and the explosive event concerning nonlinear drift waves propagating in interplanetary space and the Earth's magnetosphere, are understandable.
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