Evolution of Electron-Acoustic Wave in Auroral Region

Sakanaka, P. H.; Faria, Roberto da Trindade

doi:10.1063/1.1593981

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2022

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“…In the linear limit it is found that sheared equilibrium flows can be the cause of the instability of Alfven-like electromagnetic waves and electron-acoustic waves in magnetospheric measurements. It is also shown that electromagnetic waves and sheared flows may cause the formation of street vortex and its size are sufficiently small than the scale lengths of the equilibrium density and velocity gradients [9].…”

Section: Introductionmentioning

confidence: 99%

Effect of Two Different Electron Temperatures in Auroral Ionosphere

Nasrin

Böse

2022

Ukr. J. Phys.

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We have investigated the effect of two different electron temperatures in an auroral ionosphere in the presence of ions and obtained a modified electron-acoustic and modified lower-hybrid drift dissipative modes which will not be affected much due to the presence of cold electrons. However, in the drift dissipative case, the growth rate of the electron-acoustic wave depends on the number density of cold electrons.

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Section: Introductionmentioning

confidence: 99%