Quantum Field Theory -- Does electron have infinity size?

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Art Hobson said that quanta propagate in space to infinity. (sorry can not give a link)
 

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ZapperZ
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Art Hobson said that quanta propagate in space to infinity. (sorry can not give a link)
Even if he said that, "propagate" does not mean "size".

You need to pay attention and be careful with what you read and what you are interpreting. In QFT (and QED), elementary particles such as electrons are point size particles. They definitely do not have "infinite size".

Zz.
 
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PeterDonis
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sorry can not give a link
If you can't give a reference, we don't have a basis for any useful discussion.

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