Robin, for what its worth I think you are probably right. A free electron having a magnetic moment makes no sense to me.
On Tue, Dec 15, 2015 at 5:02 PM, Bob Cook <[email protected]> wrote: > > > Where does the photon get its angular momentum, when it and its twin > appear from positron-electron enillalation? > > I am not familiar with what line splitting the cyclotron frequency is. > > Bob Cook > > -----Original Message----- From: [email protected] > Sent: Monday, December 14, 2015 7:43 PM > To: [email protected] > Subject: Re: [Vo]:Re: Magnetic moment .vs motion as source of magnetic > field > > > In reply to Bob Cook's message of Mon, 14 Dec 2015 19:29:26 -0800: > Hi, > [snip] > >> IMO free electrons have no magnetic moment, because they have no "spin", >>>>>> which >>>>>> >>>>> is not an intrinsic property of the electron, but rather a direct >> consequence of >> being bound to an atom.<<<< >> >> Now I would say that is a departure from conventional thinking. >> > > Yup. > > >> Can you further explain this conclusion? I would guess that you would say >> that an electron has no intrinsic angular momentum as well as photons >> having >> none. >> > > No, I think photons do have angular momentum, though I don't think > electrons do. > But it's just a hunch. One of the things that makes me think this is the > fact > when a free electron circles in a magnetic field, you get cyclotron > radiation, > but I would expect line splitting of the cyclotron frequency if free > electrons > also had an intrinsic magnetic moment. > > >> Bob Cook >> > Regards, > > Robin van Spaandonk > > http://rvanspaa.freehostia.com/project.html > >
