An electron becomes heavier when it is localized( bound ) by a defect in the lattice like a hole or a bump. This is called Anderson localization.
http://en.wikipedia.org/wiki/Anderson_localization On Thu, Aug 14, 2014 at 1:04 AM, Bob Cook <[email protected]> wrote: > Eric-- > > What is the frame of reference that the electron is relativistic in? Does > such a hypothesis consider that the rotation of the pertinent frame of > reference is nill. What would be the effect of a spinning frame > circulating in the same direction as the electron’s circulation? Would the > relativistic appearance of the electron in question change? Would an > external rotating magnetic (or electric) field change the relativistic > appearance of the electron to the nucleus which it is influenced by? > > It may be that electrons around free nuclei act much differently than > those around nuclei in a lattice from the standpoint of relative motion to > the nuclei’s reference frame. > > As you can tell from my questions and comments I have a hard time > understanding how an electron can become in effect heavier in an atom > because of its circulation around a point with no evidence about the > stability of the point itself. > > Bob > > > Sent from Windows Mail > > *From:* Eric Walker <[email protected]> > *Sent:* Wednesday, August 13, 2014 7:32 PM > *To:* [email protected] > > On Wed, Aug 13, 2014 at 11:02 AM, Jones Beene <[email protected]> wrote: > > However, this deep [f/H] orbital is only a few Fermi in distance from the >> nucleus. The electron is relativistic and heavy when it gets there. >> > > It's interesting to note that the nuclear radius is not all that special > with regard to the orbits of electrons and muons. In the case of Pb, the > 1s orbit of a muon is inside the nuclear radius. > > Eric > > >

