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Electric-current model of the magnetosphere
-
- Alfvén, Hannes (author)
- KTH,Tidigare Institutioner (före 2005),Plasma physics
- (creator_code:org_t)
- European Space Agency, 1979
- 1979
- English.
- In: ESA Journal. - : European Space Agency. - 0379-2285. ; 3:2, s. 91-99
- Journal article (peer-reviewed)
Abstract
Subject headings
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- A translation of the traditional field description of the magnetosphere into a particle (electric current) description is offered. Focus is on the energy transfer from the solar wind. The solar wind flow through the magnetic field acts as an electric generator. Its power is transferred to the magnetosphere through four main circuits. These are the magnetopause circuit, the solar wind/auroral circuit, the tail circuit, and the front circuit. A fifth circuit, the substorm circuit, is also very often energized. When the tail circuit flares, the current is partly redirected over the auroral zone, flowing in what is called the 'substorm circuit'.
Subject headings
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Keyword
- Dynamic Models
- Earth Magnetosphere
- Particle Theory
- Electric Dipoles
- Energy Transfer
- Field Theory (Physics)
- Geomagnetic Tail
- Magnetic Circuits
- Magnetic Storms
- Magnetopause
- Solar Wind
- Geophysics
- Earth Magnetosphere:Models
Publication and Content Type
- ref (subject category)
- art (subject category)
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