1992•American Journal of PhysicsRequires access
Magnetostatic field of an axially symmetric electric multipole rotating about its symmetry axis
Somnath Datta
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Abstract
It has been shown that when an axially symmetric localized charge distribution carrying a single electric multipole moment Ql0 is rotated about its symmetry axis, it developes magnetic multipole moments Ml−1,0,Ml+1,0 of orders l−1 and l+1 only. The lower order l−1 does not contribute for l=0, 1. The resulting magnetic field is a superposition of two pure multipole fields.