Electron's magnetic field: A point of confusion



Imagine two electrons, which we call A and B, initially stationary with
respect to each other.

They repel each other (of course) and start to move apart.

But an electron has a dipole magnetic field; see, e.g.,

http://en.wikipedia.org/wiki/Dipole_moment

As B moves away from A, it moves through A's magnetic field. It
therefore must feel a force perpendicular to its line of motion.

The direction of the force is not along the radius connecting A to B,
whether current, retarded, anticipated, or whatever.

How can angular momentum be conserved in this case?


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