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Re: point particles



On Wednesday, Jan 21, 2004, at 15:44 America/New_York, Richard A.
Lindgren wrote:

If the electron had a slight displacement of its center of
mass to its center of charge, it would have what is called
an electric dipole moment.

This is not clear to me. In my mind a dipole
consists of two equal and opposite point-like
charges. Please explain.