X-Message-Number: 21100
From: 
Date: Sat, 8 Feb 2003 13:51:41 EST
Subject: Re: CryoNet #21066 Electron

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James Swayze said:

> This is so because if indeed only one electron exists or that all are 
> identical
> then a change to one would mean a change to all. This would negate the 
> usefulness
> of using them for information storage because even across the galaxy, nay 
> the
> whole universe, someone could read your data simply by checking one of 
> their
> local electrons.

the one electron story  come it seems from Richard Feynman: One night, he 
played his favorite bongo, the telephone interupted him. This was a call from 
John Archibald Wheeler who said: "I know why all electrons are identical, 
there is only one in all the Universe! It was created in the Big Bang and 
lived until the end of the Universe in the Big Crunch. It was then reflected 
back in time as a positon and stayed so until the Big Bang. Here it was 
reflected again in forwards time so there was two electrons at any instant 
between the Big Bang and the Big Crunch. The ping pong game continued between 
Bang and Crunch so we see many electrons at the same time.

This was a strict interpretation of Dirac's quantum equation, we know now 
that it suffers from some problems fixed by the Klein Gordon equation, itself 
patched by the Dual theory, rescued by supersymetry, saved by super strings, 
extended by super branes completed by the M theory. There is no proof of the 
Big Crunch, some as Stephen Hawkings don't give credit to the Big Bang 
itself...

The modern interpretation is that for each particle kind there is a field, 
for example the electron field. Nearly everywhere that field is smooth, but 
at some points it is not and there is a field singularity, what we call a 
particle. In the mathemathical branch called topology, there is a domain 
dealing with field defects. Asking : Is there different electrons? is in fact 
asking: Is the electron field endowed with more than one defect species in 
topology?

It seems there is only one zero dimensional defect, so anything else would be 
at least string-like. This was suggested by J.A. Wheeler in 1978 in his 
Solway paper: The substructure of electrons would be strings with ten time 
the electrical charge of the electron. These strings are not "super": they 
would remain in the four dimensions of space-time without use of the four 
"half dimensions" of the super symetry model. All average electrons would be 
identical, but many informations could be encoded at the string level.

The experience done on the wave function of the electron is another subject. 
Here, the electron is not a point-like particle, it is smeared by the 
electromagnetics field of an atom. The information is encoded in the 
different quantum levels of the potential pit of the atom, not in the 
electron itself.

Yvan Bozzonetti.

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