Authors: Low Yuen Wang
How the earth(and also stars and other planets) produces its magnetic field is a longstanding puzzle. Many theories has been proposed for the explanation of the earth's magnetic field. The current believe is that earth's magnetic field is generated by "dynamo effect". Since 1999, "dynamo effect" sodium experiments has been able to spontaneously produced magnetic field1-2. But "dynamo theory" is very complex, after so many years of research, a working model "remains elusive". Here I proposed that the magnetic field of the earth is caused by "rotating dipole effect" -- In a rotating material, only those electrons with the magnetic dipole moments that are parallel to the axis of rotation can avoid changing direction relative to the galaxy and relative to the surrounding electrons or atoms at the same time, thus more electron's magnetic dipole moments are pointing to the direction parallel to the axis of rotation. If the material is paramagnetic, then measurable magnetic field may be created. This new theory is consistent with all the observed phenomena and can make prediction of what material can produced magnetic field and what material can not.
Comments: 6 pages
[v1] 18 Dec 2008
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