Circular? Why not, but around what, and what kind of radius and rotation rate?
Michel /3/1, mix...@bigpond.com <mix...@bigpond.com>: > In reply to Michel Jullian's message of Sun, 1 Mar 2009 19:05:42 +0100: > Hi Michel, > [snip] > > Advice given to politicians, is never to ask a question, unless you already > know > the answer. I think the obvious answer to my own question is that the > electron > is not a point particle. Mills uses a circular orbit, and gets a very nice > value > as a consequence. I think it's time that QM got reworked. :) > > >>A very good question Robin, I too would very much like to know the answer! >> >>The resource below doesn't really provide one, but it does quantify >>the (preposterously high, in their opinion) spin rate which would be >>required if the intrinsic magnetic moment was due to an actual >>spinning little sphere of charge: >> >>http://hyperphysics.phy-astr.gsu.edu/Hbase/spin.html#c4 >> >><<The term "electron spin" is not to be taken literally in the >>classical sense as a description of the origin of the magnetic moment >>described above. To be sure, a spinning sphere of charge can produce a >>magnetic moment, but the magnitude of the magnetic moment obtained >>above cannot be reasonably modeled by considering the electron as a >>spinning sphere. High energy scattering from electrons shows no "size" >>of the electron down to a resolution of about 10^-3 fermis, and at >>that size a preposterously high spin rate of some 10^32 radian/s would >>be required to match the observed angular momentum.>> >> >>Why they think it would be preposterous I have no idea, it doesn't >>look more preposterous to me than electrons going back in time or >>photons going faster or slower than the speed of light, which have >>been considered perfectly normal things for many decades. >> >>Cheers, >>Michel >> >>2009/2/25 <mix...@bigpond.com>: >>> Hi, >>> >>> The magnitude of the Bohr magneton is essentially based upon a Bohr >>> orbit. How >>> is that the intrinsic spin magnetic moment of a point particle electron >>> is so >>> very close to one Bohr magneton? >>> >>> Regards, >>> >>> Robin van Spaandonk >>> >>> http://rvanspaa.freehostia.com/Project.html >>> >>> > Regards, > > Robin van Spaandonk > > http://rvanspaa.freehostia.com/Project.html > >
