Alfven, H., and Carlqvist, P., Solar Phys. 1, 220 (1967).

Click on the image above for a larger version of the .gif.

A grossly simple but influential cartoon, introducing the idea that current systems in the corona play an important role in describing the physics. This seems to be common lore in magnetospheric physics, but is highly controversial in the solar application. The details of the Alfven-Carlqvist model (eg, the way they overestimated the solar abundance of mercury!) clearly have problems, but this cartoon served to begin what still seems like an historically important debate between the proponents of B and the partisans of J.

July 11, 2006

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