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How do i compute the commutator [L,p]?
First of all, both L and p are vectors, so the commutator should be computed componentwise. Next, you need to find a common dense everywhere domain for the commutator, it's not difficult to see that on the Schwartz space over R^3 both the momentum and the angular momentum operators are essentially self-adjoint and the invariance conditions are met. Therefore,How do i compute the commutator [L,p]?
No its more complicated than that. Use Cartesian coordinates withI find 2ihp, is that correct? do you know the correct answer?