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Electric Currents in Geospace and Beyond. Planetary Magnetopause and Heliopause Current Sheets. Chapter 13книга
- Автор: Belenkaya E.S.
- Год издания: 2018
- Издательство: John Wiley & Sons, Inc
- Местоположение издательства: Hoboken, NJ, United States
- Объём: 11 страниц (0,7 печатных листов)
- ISBN: 978-1-119-32449-2
- Монография
- Аннотация: The interaction of two kinds of plasma at the boundary between them leads to formation of two current sheets. Each current is carried by the ions of the outer plasma. We consider a few aspects connected with the magnetopause/heliopause influence on the surrounding space. We investigate a fundamental property of the magnetopause, as a multilevel structure, its reaction to the sudden solar wind dynamic pressure pulse, and the possibility to amplify the magnetic field in a passing by plasma flow at the magnetopause of a rapidly rotating magnetized planet. We show that FTEs could arise in one of the Mercury cusps dependent on the sign of Bx IMF component. The dynamo mechanism, suggested by us for Jupiter’s magnetopause, was applied to explain the unexpected observations of the magnetic field strength drop at the heliopause without change of field’s direction. Here we consider the Voyager 2 observations in the outer heliosphere to clarify our estimations. Although Voyager 2 did not intersect the heliopause yet, it directly measures the plasma speed, which allows us to use its measurements for extrapolation of the velocity field.
- Добавил в систему: Беленькая Елена Семеновна