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Автор Daly, R. A.
Автор Hughes, W. J.
Дата выпуска 1985
dc.description We show that hydromagnetic wave electric fields could cause the fluctuations in cold plasma number density that have been observed as spacecraft cross the plasmapause. To explore the effects of a hydromagnetic wave electric field on the particles in the vicinity of the plasmapause we constructed a simple computer model of the flow of cold plasma in the equatorial plane of the magnetosphere. A hydromagnetic wave electric field which is localized in space and time is introduced. Particles are perturbed by the wave electric field. The resulting fluctuations in cold plasma number density are most evident in the dusk region and occur over both large (∼1 R<sub>E</sub>) and small (∼0.1 R<sub>E</sub>) distance scales. As these variations in the number density are similar to those observed, hydromagnetic wave electric fields could very well account for the density variations observed in the vicinity of the plasmapause boundary.
Формат application.pdf
Копирайт Copyright 1985 by the American Geophysical Union.
Тема INTERPLANETARY PHYSICS
Тема vMHD waves and turbulence
Тема IONOSPHERE
Тема Plasma convection
Тема MAGNETOSPHERIC PHYSICS
Тема MHD waves and instabilities
Тема Plasma convection
Тема Plasmasphere
Тема PLANETARY SCIENCES: COMETS AND SMALL BODIES
Тема Plasma and MHD instabilities
Тема SPACE PLASMA PHYSICS
Тема MHD waves and instabilities
Название The effect of hydromagnetic waves on the shape of the plasmapause boundary
Тип shortCommunication
DOI 10.1029/JA090iA01p00537
Electronic ISSN 2156-2202
Print ISSN 0148-0227
Журнал Journal of Geophysical Research: Space Physics
Том 90
Первая страница 537
Последняя страница 542
Выпуск A1
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