Nonlinear low frequency electrostatic structures in a magnetized two-component auroral plasma
Finite amplitude nonlinear ion-acoustic solitons, double layers, and supersolitons in a magnetized two-component plasma composed of adiabatic warm ions fluid and energetic nonthermal electrons are studied by employing the Sagdeev pseudopotential technique and assuming the charge neutrality condition...
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| Veröffentlicht in: | Physics of plasmas 2016-03, Vol.23 (3) |
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| container_title | Physics of plasmas |
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| creator | Rufai, O. R. Bharuthram, R. Singh, S. V. Lakhina, G. S. |
| description | Finite amplitude nonlinear ion-acoustic solitons, double layers, and supersolitons in a magnetized two-component plasma composed of adiabatic warm ions fluid and energetic nonthermal electrons are studied by employing the Sagdeev pseudopotential technique and assuming the charge neutrality condition at equilibrium. The model generates supersoliton structures at supersonic Mach numbers regime in addition to solitons and double layers, whereas in the unmagnetized two-component plasma case only, soliton and double layer solutions can be obtained. Further investigation revealed that wave obliqueness plays a critical role for the evolution of supersoliton structures in magnetized two-component plasmas. In addition, the effect of ion temperature and nonthermal energetic electron tends to decrease the speed of oscillation of the nonlinear electrostatic structures. The present theoretical results are compared with Viking satellite observations. |
| doi_str_mv | 10.1063/1.4944669 |
| format | Article |
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In addition, the effect of ion temperature and nonthermal energetic electron tends to decrease the speed of oscillation of the nonlinear electrostatic structures. 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Further investigation revealed that wave obliqueness plays a critical role for the evolution of supersoliton structures in magnetized two-component plasmas. In addition, the effect of ion temperature and nonthermal energetic electron tends to decrease the speed of oscillation of the nonlinear electrostatic structures. 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R.</creatorcontrib><creatorcontrib>Bharuthram, R.</creatorcontrib><creatorcontrib>Singh, S. V.</creatorcontrib><creatorcontrib>Lakhina, G. S.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Physics of plasmas</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rufai, O. R.</au><au>Bharuthram, R.</au><au>Singh, S. V.</au><au>Lakhina, G. S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nonlinear low frequency electrostatic structures in a magnetized two-component auroral plasma</atitle><jtitle>Physics of plasmas</jtitle><date>2016-03-01</date><risdate>2016</risdate><volume>23</volume><issue>3</issue><issn>1070-664X</issn><eissn>1089-7674</eissn><coden>PHPAEN</coden><abstract>Finite amplitude nonlinear ion-acoustic solitons, double layers, and supersolitons in a magnetized two-component plasma composed of adiabatic warm ions fluid and energetic nonthermal electrons are studied by employing the Sagdeev pseudopotential technique and assuming the charge neutrality condition at equilibrium. The model generates supersoliton structures at supersonic Mach numbers regime in addition to solitons and double layers, whereas in the unmagnetized two-component plasma case only, soliton and double layer solutions can be obtained. Further investigation revealed that wave obliqueness plays a critical role for the evolution of supersoliton structures in magnetized two-component plasmas. In addition, the effect of ion temperature and nonthermal energetic electron tends to decrease the speed of oscillation of the nonlinear electrostatic structures. The present theoretical results are compared with Viking satellite observations.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4944669</doi><tpages>7</tpages></addata></record> |
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| subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY AMPLITUDES CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COMPARATIVE EVALUATIONS EQUILIBRIUM FLUIDS ION TEMPERATURE IONS LAYERS NONLINEAR PROBLEMS Obliqueness PLASMA Plasma physics Plasmas (physics) Satellite observation Solitary waves SOLITONS TAIL ELECTRONS VELOCITY |
| title | Nonlinear low frequency electrostatic structures in a magnetized two-component auroral plasma |
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