Localized electrostatic excitations in a thomas-fermi plasma containing degenerate electrons
Abdelsalam, U.M. and Moslem, W.M. and Shukla, P.K. (2008) Localized electrostatic excitations in a thomas-fermi plasma containing degenerate electrons. Physics of Plasmas, 15 (5). 052303. ISSN 1070-664X (http://dx.doi.org/10.1063/1.2912963)
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By using the Thomas-Fermi electron density distribution for quantum degenerate electrons, the hydrodynamic equations for ions, and the Poisson equation, planar and nonplanar ion-acoustic solitary waves in an unmagnetized collisionless plasma are investigated. The reductive perturbation method is used to derive cylindrical and spherical Korteweg-de Vries equations. Numerical solutions of the latter are presented. The present results can be useful in understanding the features of small but finite amplitude localized ion-acoustic solitary pulses in a degenerate plasma
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Item type: Article ID code: 19657 Dates: DateEventMay 2008PublishedSubjects: Science > Physics > Plasma physics. Ionized gases Department: Faculty of Science > Physics Depositing user: Strathprints Administrator Date deposited: 04 Jun 2010 15:31 Last modified: 08 Apr 2024 17:37 URI: https://strathprints.strath.ac.uk/id/eprint/19657