Question

Does wave function of an electron itself move?

Answer 1

As far as I know quantum mechanics, electrons in an atom in vacuum move accordingly a wave function (a complex scalar field), but the wave function itself does not move (except that the atom may transitionally move as a whole).

But if we could cause an electron revolve in vacuum around a charged sphere of macroscopic size, then the position of the electron could be measured almost exactly; and as follows from this the wave function itself moves (if it didn't move then the electron would be not localizable).

I wonder, why is it different for atoms and for the above described macroscopic case: In one case the wave function is strictly constant, and in the other one it isn't. What is the exact difference

Answer 2

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✔️✔️But if we could cause an electron revolve in vacuum around a charged sphere of macroscopic size, then the position of the electron could be measured almost exactly; and as follows from this the wave function itself moves (if it didn't move then the electron would be not localizable).

I wonder, why is it different for atoms and for the above described macroscopic case: In one case the wave function is strictly constant, and in the other one it isn't

A mathematical expression to describe the magnitude, or "height" of an electron standing wave at every point in space. Waves that do not travel, or move.


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