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- Moslem, WM, et al.
(author)
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Solitary and blow-up electrostatic excitations in rotating magnetized electron-positron-ion plasmas
- 2009
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In: New Journal of Physics. - : Institute of Physics Publishing (IOPP). - 1367-2630. ; 11
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Journal article (peer-reviewed)abstract
- The nonlinear dynamics of a rotating magnetoplasma consisting of electrons, positrons and stationary positive ions is considered. The basic set of hydrodynamic and Poisson equations are reduced to a Zakharov-Kuznetsov (ZK) equation for the electric potential. The ZK equation is solved by applying an improved modified extended tanh-function method (2008 Phys. Lett. A 372 5691) and its characteristics are investigated. A set of new solutions are derived, including localized solitary waves, periodic nonlinear waveforms and divergent (explosive) pulses. The characteristics of these nonlinear excitations are investigated in detail.
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