From: asjch...@gmail.com   
      
   El martes, 29 de junio de 2021 a las 16:51:47 UTC+2, Phillip Helbig (undress   
    to reply) escribió:   
   > In article <29a2dc35-7ff1-4ba1...@googlegroups.com>,   
   > israel socratus  writes:   
   >   
   > > Is electron's spin real?   
   > > Fact.   
   > > In 1925, Samuel Goudsmit and George Uhlenbeck claimed that   
   > > some of the mischievous features of the hydrogen spectrum could be   
   > > successfully explained by assuming that electrons act as if they actually   
   have a spin.   
   > > Opinion.   
   > > Because electron is spinning with a rotational velocity equivalent to the   
   speed   
   > > of light (which is practically impossible) the only conclusion is that an   
   electron   
   > > can't spin about its own axis, and thus, spin is just a representative   
   term.   
   > > Result.   
   > > There was a time when we wanted to be told what an electron is.   
   > > The question was never answered. No familiar conceptions can be woven   
   > > around the electron; it belongs to the waiting list.   
   > > --- Sir Arthur Stanley Eddington   
   > >   
   > > We know electron by what it does, not by what it is.   
   > Of course, an electron is not a tiny hard sphere spinning with an   
   > angular momentum which can be understood with classical physics.   
   > However, spin is not just a label like color in QCD or isospin, but   
   > really has something to do with angular momentum, as is shown by the   
   > Einstein--de Haas effect.   
      
   An electron orbiting a nucleus (in one of the allowed energy levels)   
   would have two possible values of its orbital angular momentum if the   
   electron has an inner,  non isotropous, structure (e.g. with axial   
   symmetry) due to which its directional electric charge is slightly   
   different along the two possible directions that it may present (show)   
   to the nucleus to stay in a stable orbit. The well known measured value   
   of the electric charge of the electron would be the average (over all   
   its intrinsic directions) of its directional electric charges. Such   
   average electric charge is measured applying Coulomb's law in ordinary   
   scenarios in which the intrinsic structure of the electron is randomly   
   aligned in space.   
      
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