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Higher-order Solution of an Electron-acoustic Solitary Waves with Non-thermal Electrons by E.K. El-Shewy is a Physics and Astronomy article available to read on EtoBox.

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Higher-order nonlinearity and dispersion to nonlinear electron acoustic waves are studied using the reductive perturbation method in an unmagnetized collisionless plasma consisting of a cold electron fluid and non-thermal hot electrons and stationary ions. Beside the KdV equation obtained from the lowest order of perturbation, a linear inhomogeneous (KdV-type) equation accounting for the higher-order nonlinearity and dispersion is derived. A stationary solution for equations resulting from higher order perturbation theory has been found using the renormalization method. The effect of higher-order correction and the energetic population parameter d on the amplitude and width of the soliton are also discussed.

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Author

E.K. El-Shewy

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0960-0779)

Published

2007

Language

EN

Field

Physics and Astronomy (Physical Sciences)