"electron field" is something else, let's call it with a better name: electric (or electromagnetic) field generated by the electron.Quote from: ChiralAs I understand it, a field needs no source. A field just is. It's a sort of accounting or mapping tool that we can use to describe the universe. Every field exists everywhere, even if it has zero amplitude at specific places, or even everywhere.You are saying, quite specifically, that a field (e.g. the electron field?)
The fact it needs a source doesn't mean it can't exists after being generated by it. You switch on a laser device: it generates a light beam; you switch off the device: the light beam keeps going towards its target.
is the pre-existing entity – it needs no source.
If this is so, what meaning does it have to talk of the electron as the source of the field?The ancient romans created the Adrian wall; the wall is still there, but the ancient romans don't exists anymore
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