Re: Electron's magnetic field: A point of confusion
- From: "RP" <no_mail_no_spam@xxxxxxxxx>
- Date: 30 Oct 2006 20:02:17 -0800
sal wrote:
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?
Electrons don't have a B field, they have a magnetic moment. These
aren't equivalent properties.
Richard Perry
.
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