Astronomy and Astrophysics – Astrophysics – Solar and Stellar Astrophysics
Scientific paper
2009-05-23
Astrophys.J.698:L86-L89,2009
Astronomy and Astrophysics
Astrophysics
Solar and Stellar Astrophysics
Scientific paper
10.1088/0004-637X/698/2/L86
The magnetic field of the solar corona has a large-scale dipole character, which maps into the bipolar field in the solar wind. Using standard representations of the coronal field, we show that high-energy ions can be trapped stably in these large-scale closed fields. The drift shells that describe the conservation of the third adiabatic invariant may have complicated geometries. Particles trapped in these zones would resemble the Van Allen Belts and could have detectable consequences. We discuss potential sources of trapped particles.
DeRosa Marc L.
Frewen S. F. N.
Hudson Hugh S.
MacKinnon Alexander L.
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