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Compatible operator

1. The problem statement, all variables and given/known data
py and pz are components of the momentum . Do they compatible operators?

2. Relevant equations
compatible operators equation

3. The attempt at a solution
i think I have to use commutation
Last edited:


Education Advisor
Gold Member
Hi drFredkin. Welcome to the forum.

A little context might help. What do you mean "compatible operator?" Since you did not write down "compatible operators equation" it is hard to guess what you want.


Science Advisor
Insights Author
Gold Member
They are certainly "compatible" in the sense that they commute and can be simultaneously diagonalized...

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