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Article
Nonlinear electrostatic structures and stopbands in a three-component magnetosheath plasma
Large amplitude parallel propagating electric field structures of nonlinear electron-acoustic waves are examined in an unmagnetized magnetosheath plasma. Based on the observations and simulations by Ergun et a...
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Reference Work Entry In depth
Electromagnetic Pulsations and Magnetic Storms
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Reference Work Entry In depth
Geomagnetically Induced Currents
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Living Reference Work Entry In depth
Geomagnetically Induced Currents
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Living Reference Work Entry In depth
Electromagnetic Pulsations and Magnetic Storms
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Article
Higher harmonic instability of electrostatic ion cyclotron waves
Electrostatic ion cyclotron instability pertaining to the higher harmonics of proton and helium cyclotron modes is investigated in three-component magnetised plasma consisting of beam electrons, protons and do...
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Article
Generation of Weak Double Layers and Low-Frequency Electrostatic Waves in the Solar Wind
We propose that the mechanism for the generation of weak double layers (WDLs) and low-frequency coherent electrostatic waves, observed by Wind in the solar wind at 1 AU, might be slow and fast ion-acoustic solito...
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Chapter and Conference Paper
An Overview of the Magnetosphere, Substorms and Geomagnetic Storms
The magnetosphere is the region of space to which the Earth’s magnetic field is confined by the solar wind plasma which is continuously being blown outward from the Sun. The magnetosphere of the Earth extends...
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Reference Work Entry In depth
Humboldt, Alexander Von And Magnetic Storms
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Article
Open AccessParallel electric field structures associated with the low-frequency oscillations in the auroral plasma
The nonlinear evolution of low-frequency electrostatic oscillations in a magnetized plasma consisting of protons, electrons and oxygen ion beams has been studied. The fluid equations have been used for the oxy...
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Article
Critical Issues on Magnetic Reconnection in Space Plasmas
The idea of expedient energy transformation by magnetic reconnection (MR) has generated much enthusiasm in the space plasma community. The early concept of MR, which was envisioned for the solar flare phenomen...
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Article
Non-linear high-frequency waves in the magnetosphere
Using fluid theory, a set of equations is derived for non-linear high-frequency waves propagating oblique to an external magnetic field in a three-component plasma consisting of hot electrons, cold electrons a...
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Article
Interplanetary Shocks, Magnetopause Boundary Layers and Dayside Auroras: The Importance of a Very Small Magnetospheric Region
Dayside near-polar auroral brightenings occur when interplanetary shocks im**e upon the Earth's magnetosphere. The aurora first brightens near local noon and then propagates toward dawn and dusk along the au...
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Article
Dromion solutions for an electron acoustic wave and its application to space observations
The nonlinear evolution of an electron acoustic wave is shown to obey the Davey-Stewartson I equation which admits so called dromion solutions. The importance of these two dimensional localized solutions for rece...
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Article
Sun-Earth connection: Boundary layer waves and auroras
Boundary layers are the sites where energy and momentum are exchanged between two distinct plasmas. Boundary layers occurring in space plasmas can support a wide spectrum of plasma waves spanning a frequency r...
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Article
Broadband Plasma Waves In The MagnetopauseAnd Polar Cap Boundary Layers
Boundary layers occurring in the magnetosphere can support a wide spectrumof plasma waves spanning a frequency range of a few mHz to tens of kHz andbeyond. This review describes the main characteristics of the...
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Article
Jeans-Buneman instability in a dusty plasma
A self consistent formulation of the Jeans instability of a dusty plasma with proper inclusion of charge dynamics is described. It is shown that charge fluctuations significantly affect the Jeans as well as th...
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Article
Mhd Study of Coronal Waves: A Numerical Approach
The solar corona, modelled by a low β, resistive plasma slab sustains MHD wave propagations due to footpoint motions in the photosphere. The density, magnetic profile and driver are considered to be neither ve...
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Article
Oblique solitary Alfvén modes in relativistic electron-positron plasmas
In electron-positron plasmas the charge-to-mass ratio is the same for both species. This leads for different waves to the vanishing of certain coefficients in the dispersion laws and nonlinear evolution equati...
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Article
Shear flow instabilities in the Earth’s magnetotail
Shear flow instability is studied in the Earth’s magnetotail by treating plasma as compressible. A dispersion relation is derived from the linearized MHD equations using the oscillating boundary conditions at ...