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Solitary and blow-up electrostatic excitations in rotating magnetized electron-positron-ion plasmas
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2009 (English)In: New Journal of Physics, ISSN 1367-2630, E-ISSN 1367-2630, Vol. 11, 033028Article in journal (Refereed) PublishedText
Abstract [en]

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.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2009. Vol. 11, 033028
Keyword [en]
coriolis force, wave-propagation, pulsars, amplitude, modes
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:umu:diva-116017DOI: 10.1088/1367-2630/11/3/033028ISI: 000264725600003OAI: oai:DiVA.org:umu-116017DiVA: diva2:905332
Available from: 2016-02-22 Created: 2016-02-08 Last updated: 2016-02-22Bibliographically approved

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Shukla, Padma Kant
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Department of Physics
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ReferencesLink to record
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